Topical Subjects
- Coal Mines and Mining--Coal Transportation--Facilities.3
- Coal washing.3
- Coal.3
- Cities--Clarksburg.2
- Coal Mines and Mining--Coal Transportation--River.2
- Coal Mines and Mining--Mine Facilities.2
- Coal Mines and Mining--Mine Interiors--Machinery.2
- Coal Mines and Mining--Miners at Work.2
- Coal Mines and Mining--Tipples.2
- Coal mines and mining--Kentucky.2
- Coal mines and mining--West Virginia.2
- Coal preparation plants--Ohio--Cadiz.2
- Coal preparation plants--West Virginia--Fairmont.2
- Coal-mining machinery.2
- Docks.2
- Mine railroads--Cars.2
- Portraits--Group.2
- Tipples--West Virginia.2
- Tipples.2
- Automobiles.1