Subjects
- Civil War -- letters1
- Civil War -- Confederate Army1
- Coal mines and mining -- West Virginia -- Fayette County1
- Coal mining - Labor organization.1
- Coal mining - New River field.1
- Coal mining - Safety.2
- Coal mining - coal companies.1
- Coal mining - disasters.[remove]4
- Coal mining.1
- Engineering1
- Land deeds and grants - Fayette County.1
- Maps.1
- Mine explosions1
- Monongah Mines Disaster, Monongah, W. Va., 19071
- Murder1