Collection
- Cabin Creek Consolidated Coal Company, Archives1
- Campbell's Creek Coal Company Papers1
- Cedar Grove Mining Company Ledger1
- Charles E. Krebs (1870-1954) Papers1
- Clarence Edwin Smith (1885-1959) Papers2
- Colgate Coal Company Records3
- Consolidation Coal Company Consultant Report and Clippings1
- Dana Brothers Papers1
- Davis Coal and Coke Company Records2
- Donald E. Smith, Collector, Records1
- Edwards Family Papers1
- Elk Horn Mining Corporation, Photographs1
- Erskine Coal and Land Company Records1
- Etna-Connellsville Coke Company Minute Book1
- Gauley Mountain Coal Company Papers1