{"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026view=compact","prev":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=19\u0026view=compact","next":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=21\u0026view=compact","last":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=37\u0026view=compact"},"meta":{"pages":{"current_page":20,"next_page":21,"prev_page":19,"total_pages":37,"limit_value":10,"offset_value":190,"total_count":367,"first_page?":false,"last_page?":false}},"data":[{"id":"vaallhs_repositories_2_resources_133_c04_c01_c03","type":"Item","attributes":{"title":"Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c01_c03#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c04_c01_c03","ref_ssm":["vaallhs_repositories_2_resources_133_c04_c01_c03"],"id":"vaallhs_repositories_2_resources_133_c04_c01_c03","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c04_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c04_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints"],"text":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints","Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C","English .","Oversize Box 10","object 3"],"title_filing_ssi":"Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C","title_ssm":["Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C"],"title_tesim":["Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C"],"unitdate_other_ssim":["July 1, 1971"],"normalized_date_ssm":["1971"],"normalized_title_ssm":["Potomac Yards – Map: Sheet 2 – B-92-2B; Sheet 3 – B-92-2C"],"component_level_isim":[3],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["Item"],"level_ssim":["Item"],"sort_isi":317,"date_range_isim":[1971],"language_ssim":["English ."],"containers_ssim":["Oversize Box 10","object 3"],"_nest_path_":"/components#3/components#0/components#2","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c01_c03"}},{"id":"vaallhs_repositories_2_resources_133_c02_c04","type":"File","attributes":{"title":"Potomac Yards mechanical division phone extensions.","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c02_c04#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c02_c04","ref_ssm":["vaallhs_repositories_2_resources_133_c02_c04"],"id":"vaallhs_repositories_2_resources_133_c02_c04","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c02","parent_ssi":"vaallhs_repositories_2_resources_133_c02","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c02"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c02"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series II: Ephemera"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series II: Ephemera"],"text":["Potomac Yard Collection (MS050)","Series II: Ephemera","Potomac Yards mechanical division phone extensions.","English .","box 8","folder 36"],"title_filing_ssi":"Potomac Yards mechanical division phone extensions.","title_ssm":["Potomac Yards mechanical division phone extensions."],"title_tesim":["Potomac Yards mechanical division phone extensions."],"normalized_title_ssm":["Potomac Yards mechanical division phone extensions."],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":305,"language_ssim":["English ."],"containers_ssim":["box 8","folder 36"],"_nest_path_":"/components#1/components#3","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c02_c04"}},{"id":"vaallhs_repositories_2_resources_133_c02_c03","type":"File","attributes":{"title":"Potomac Yards office ephemera.","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c02_c03#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c02_c03","ref_ssm":["vaallhs_repositories_2_resources_133_c02_c03"],"id":"vaallhs_repositories_2_resources_133_c02_c03","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c02","parent_ssi":"vaallhs_repositories_2_resources_133_c02","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c02"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c02"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series II: Ephemera"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series II: Ephemera"],"text":["Potomac Yard Collection (MS050)","Series II: Ephemera","Potomac Yards office ephemera.","English .","box 8","folder 35"],"title_filing_ssi":"Potomac Yards office ephemera.","title_ssm":["Potomac Yards office ephemera."],"title_tesim":["Potomac Yards office ephemera."],"unitdate_inclusive_ssm":["1983-1989"],"normalized_date_ssm":["1983/1989"],"normalized_title_ssm":["Potomac Yards office ephemera."],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":304,"date_range_isim":[1983,1984,1985,1986,1987,1988,1989],"language_ssim":["English ."],"containers_ssim":["box 8","folder 35"],"_nest_path_":"/components#1/components#2","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c02_c03"}},{"id":"vaallhs_repositories_2_resources_133_c04_c01_c01","type":"Item","attributes":{"title":"Potomac Yards Sewerage Improvements","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c01_c01#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c04_c01_c01","ref_ssm":["vaallhs_repositories_2_resources_133_c04_c01_c01"],"id":"vaallhs_repositories_2_resources_133_c04_c01_c01","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c04_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c04_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints"],"text":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-Series I: Miscellaneous Blueprints","Potomac Yards Sewerage Improvements","English .","Oversize Box 10","object 1"],"title_filing_ssi":"Potomac Yards Sewerage Improvements","title_ssm":["Potomac Yards Sewerage Improvements"],"title_tesim":["Potomac Yards Sewerage Improvements"],"unitdate_other_ssim":["June 22, 1976"],"normalized_date_ssm":["1976"],"normalized_title_ssm":["Potomac Yards Sewerage Improvements"],"component_level_isim":[3],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["Item"],"level_ssim":["Item"],"sort_isi":315,"date_range_isim":[1976],"language_ssim":["English ."],"containers_ssim":["Oversize Box 10","object 1"],"_nest_path_":"/components#3/components#0/components#0","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c01_c01"}},{"id":"vaallhs_repositories_2_resources_133_c01_c166","type":"File","attributes":{"title":"Power wrench for use on retarders. (AFE 5931)","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c166#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c166","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c166"],"id":"vaallhs_repositories_2_resources_133_c01_c166","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Power wrench for use on retarders. (AFE 5931)","English .","box 4","folder 29"],"title_filing_ssi":"Power wrench for use on retarders. (AFE 5931)","title_ssm":["Power wrench for use on retarders. (AFE 5931)"],"title_tesim":["Power wrench for use on retarders. (AFE 5931)"],"unitdate_inclusive_ssm":["1948"],"normalized_date_ssm":["1948"],"normalized_title_ssm":["Power wrench for use on retarders. (AFE 5931)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":167,"date_range_isim":[1948],"language_ssim":["English ."],"containers_ssim":["box 4","folder 29"],"_nest_path_":"/components#0/components#165","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c166"}},{"id":"vaallhs_repositories_2_resources_133_c04_c03_c03","type":"Item","attributes":{"title":"Prince Georges County, Maryland to Washington, D.C.","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c03_c03#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c04_c03_c03","ref_ssm":["vaallhs_repositories_2_resources_133_c04_c03_c03"],"id":"vaallhs_repositories_2_resources_133_c04_c03_c03","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c04_c03","parent_ssi":"vaallhs_repositories_2_resources_133_c04_c03","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c03"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c04","vaallhs_repositories_2_resources_133_c04_c03"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-series III: Right of Way Track Maps, Philadelphia, Baltimore, and Washington Railroad"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-series III: Right of Way Track Maps, Philadelphia, Baltimore, and Washington Railroad"],"text":["Potomac Yard Collection (MS050)","Series IV: Blueprints","Sub-series III: Right of Way Track Maps, Philadelphia, Baltimore, and Washington Railroad","Prince Georges County, Maryland to Washington, D.C.","English .","Oversize Box 12","object 3"],"title_filing_ssi":"Prince Georges County, Maryland to Washington, D.C.","title_ssm":["Prince Georges County, Maryland to Washington, D.C."],"title_tesim":["Prince Georges County, Maryland to Washington, D.C."],"normalized_title_ssm":["Prince Georges County, Maryland to Washington, D.C."],"component_level_isim":[3],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["Item"],"level_ssim":["Item"],"sort_isi":344,"language_ssim":["English ."],"containers_ssim":["Oversize Box 12","object 3"],"_nest_path_":"/components#3/components#2/components#2","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c04_c03_c03"}},{"id":"vaallhs_repositories_2_resources_133_c01_c05","type":"File","attributes":{"title":"Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c05#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c05","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c05"],"id":"vaallhs_repositories_2_resources_133_c01_c05","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)","box 1","folder 5"],"title_filing_ssi":"Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)","title_ssm":["Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)"],"title_tesim":["Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)"],"unitdate_inclusive_ssm":["1958"],"normalized_date_ssm":["1958"],"normalized_title_ssm":["Purchase 15 2# carbon dioxide fire extinguishers. (AFE 3489)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":6,"date_range_isim":[1958],"containers_ssim":["box 1","folder 5"],"_nest_path_":"/components#0/components#4","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c05"}},{"id":"vaallhs_repositories_2_resources_133_c01_c286","type":"File","attributes":{"title":"Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c286#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c286","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c286"],"id":"vaallhs_repositories_2_resources_133_c01_c286","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)","English .","box 8","folder 19"],"title_filing_ssi":"Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)","title_ssm":["Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)"],"title_tesim":["Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)"],"unitdate_inclusive_ssm":["1955"],"normalized_date_ssm":["1955"],"normalized_title_ssm":["Purchase 1 5RT Blaw-Knox RR tie grapple. (AFE 20124)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":287,"date_range_isim":[1955],"language_ssim":["English ."],"containers_ssim":["box 8","folder 19"],"_nest_path_":"/components#0/components#285","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c286"}},{"id":"vaallhs_repositories_2_resources_133_c01_c01","type":"File","attributes":{"title":"Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c01#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c01","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c01"],"id":"vaallhs_repositories_2_resources_133_c01_c01","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)","box 1","folder 1"],"title_filing_ssi":"Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)","title_ssm":["Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)"],"title_tesim":["Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)"],"unitdate_inclusive_ssm":["1956-1959"],"normalized_date_ssm":["1956/1959"],"normalized_title_ssm":["Purchase 1957 Chevy Suburban Carryall for use at Potomac Yard. (AFE 3459)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":2,"date_range_isim":[1956,1957,1958,1959],"containers_ssim":["box 1","folder 1"],"_nest_path_":"/components#0/components#0","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c01"}},{"id":"vaallhs_repositories_2_resources_133_c01_c16","type":"File","attributes":{"title":"Purchase 1958 Dodge Town Wagon. (AFE 3674)","breadcrumbs":{"id":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c16#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c16","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c16"],"id":"vaallhs_repositories_2_resources_133_c01_c16","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Purchase 1958 Dodge Town Wagon. (AFE 3674)","English .","box 1","folder 16"],"title_filing_ssi":"Purchase 1958 Dodge Town Wagon. (AFE 3674)","title_ssm":["Purchase 1958 Dodge Town Wagon. (AFE 3674)"],"title_tesim":["Purchase 1958 Dodge Town Wagon. (AFE 3674)"],"unitdate_inclusive_ssm":["1964"],"normalized_date_ssm":["1964"],"normalized_title_ssm":["Purchase 1958 Dodge Town Wagon. (AFE 3674)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":17,"date_range_isim":[1964],"language_ssim":["English ."],"containers_ssim":["box 1","folder 16"],"_nest_path_":"/components#0/components#15","timestamp":"2026-05-21T03:58:35.728Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-21T03:58:35.728Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c16"}}],"included":[{"type":"facet","id":"repository_ssim","attributes":{"label":"Repository","items":[{"attributes":{"label":"Alexandria Library","value":"Alexandria Library","hits":367},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Brepository%5D%5B%5D=Alexandria+Library\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/repository_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"collection_ssim","attributes":{"label":"Collection","items":[{"attributes":{"label":"Potomac Yard Collection (MS050)","value":"Potomac Yard Collection (MS050)","hits":367},"links":{"remove":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/collection_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"date_range_isim","attributes":{"label":"Date range","items":[{"attributes":{"label":"1927","value":"1927","hits":3},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1927\u0026view=compact"}},{"attributes":{"label":"1928","value":"1928","hits":7},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1928\u0026view=compact"}},{"attributes":{"label":"1929","value":"1929","hits":9},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1929\u0026view=compact"}},{"attributes":{"label":"1930","value":"1930","hits":2},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1930\u0026view=compact"}},{"attributes":{"label":"1931","value":"1931","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1931\u0026view=compact"}},{"attributes":{"label":"1932","value":"1932","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1932\u0026view=compact"}},{"attributes":{"label":"1933","value":"1933","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1933\u0026view=compact"}},{"attributes":{"label":"1934","value":"1934","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1934\u0026view=compact"}},{"attributes":{"label":"1935","value":"1935","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1935\u0026view=compact"}},{"attributes":{"label":"1936","value":"1936","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1936\u0026view=compact"}},{"attributes":{"label":"1937","value":"1937","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1937\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/date_range_isim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"creator_ssim","attributes":{"label":"Creator","items":[{"attributes":{"label":"Potomac Yard (1906-1989)","value":"Potomac Yard (1906-1989)","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bcreators%5D%5B%5D=Potomac+Yard+%281906-1989%29\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/creator_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"names_ssim","attributes":{"label":"Names","items":[{"attributes":{"label":"Local History and Special Collections Branch, Alexandria Library","value":"Local History and Special Collections Branch, Alexandria Library","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bnames%5D%5B%5D=Local+History+and+Special+Collections+Branch%2C+Alexandria+Library\u0026view=compact"}},{"attributes":{"label":"Potomac Yard (1906-1989)","value":"Potomac Yard (1906-1989)","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bnames%5D%5B%5D=Potomac+Yard+%281906-1989%29\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/names_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"geogname_ssim","attributes":{"label":"Places","items":[{"attributes":{"label":"Potomac Yard (Va.)","value":"Potomac Yard (Va.)","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bplaces%5D%5B%5D=Potomac+Yard+%28Va.%29\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/geogname_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"access_subjects_ssim","attributes":{"label":"Subjects","items":[{"attributes":{"label":"Blueprints.","value":"Blueprints.","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Blueprints.\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"attributes":{"label":"Railroad trains.","value":"Railroad trains.","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroad+trains.\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"attributes":{"label":"Railroad yards -- Virginia","value":"Railroad yards -- Virginia","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroad+yards+--+Virginia\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"attributes":{"label":"Railroads -- Virginia","value":"Railroads -- Virginia","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroads+--+Virginia\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"attributes":{"label":"rail yards","value":"rail yards","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=rail+yards\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/access_subjects_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"facet","id":"level_ssim","attributes":{"label":"Level","items":[{"attributes":{"label":"Collection","value":"Collection","hits":1},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Collection\u0026view=compact"}},{"attributes":{"label":"File","value":"File","hits":309},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=File\u0026view=compact"}},{"attributes":{"label":"Item","value":"Item","hits":50},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Item\u0026view=compact"}},{"attributes":{"label":"Series","value":"Series","hits":5},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Series\u0026view=compact"}},{"attributes":{"label":"Subseries","value":"Subseries","hits":2},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Subseries\u0026view=compact"}}]},"links":{"self":"https://arvasarchive.org/catalog/facet/level_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=compact"}},{"type":"search_field","id":"all_fields","attributes":{"label":"All Fields"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=all_fields\u0026view=compact"}},{"type":"search_field","id":"keyword","attributes":{"label":"Keyword"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=keyword\u0026view=compact"}},{"type":"search_field","id":"name","attributes":{"label":"Name"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=name\u0026view=compact"}},{"type":"search_field","id":"place","attributes":{"label":"Place"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=place\u0026view=compact"}},{"type":"search_field","id":"subject","attributes":{"label":"Subject"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=subject\u0026view=compact"}},{"type":"search_field","id":"title","attributes":{"label":"Title"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=title\u0026view=compact"}},{"type":"search_field","id":"container","attributes":{"label":"Container"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=container\u0026view=compact"}},{"type":"search_field","id":"identifier","attributes":{"label":"Identifier"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026search_field=identifier\u0026view=compact"}},{"type":"sort","id":"score desc, title_sort asc","attributes":{"label":"relevance"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=score+desc%2C+title_sort+asc\u0026view=compact"}},{"type":"sort","id":"date_sort asc","attributes":{"label":"date (ascending)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=date_sort+asc\u0026view=compact"}},{"type":"sort","id":"date_sort desc","attributes":{"label":"date (descending)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=date_sort+desc\u0026view=compact"}},{"type":"sort","id":"creator_sort asc","attributes":{"label":"creator (A-Z)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=creator_sort+asc\u0026view=compact"}},{"type":"sort","id":"creator_sort desc","attributes":{"label":"creator (Z-A)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=creator_sort+desc\u0026view=compact"}},{"type":"sort","id":"title_sort asc","attributes":{"label":"title (A-Z)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=title_sort+asc\u0026view=compact"}},{"type":"sort","id":"title_sort desc","attributes":{"label":"title (Z-A)"},"links":{"self":"https://arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=20\u0026sort=title_sort+desc\u0026view=compact"}}]}