Topical Subjects
- Mine inspection.2
- Mine railroad cars--West Virginia--Beartown.2
- Mine railroad cars.2
- Mine railroads--Kentucky.2
- Mine railroads--West Virginia.2
- Steam locomotives--West Virginia--Webster County.2
- Steam locomotives.2
- Steam shovels.2
- Strip mining--Ohio--Cadiz.2
- Tipples--West Virginia--Bergoo.2
- Underground pipelines--West Virginia--Kenova.2
- Ballast (Railroads)--West Virginia--Beartown.1
- Barges--West Virginia--Cedar Grove.1
- Bituminous coal--Maryland--Elkhart.1
- Boatbuilding--West Virginia--Kenova.1
- Bulldozers.1
- Coal Mines and Mining--Coal Transportation--Rail.1
- Coal ash.1
- Coal miners--Dwellings--Kentucky.1
- Coal miners--Dwellings--West Virginia--Beckley.1