Topical Subjects
- Freight cars--West Virginia--Thomas.12
- Coal mines and mining--Explosives.11
- Coal Mines and Mining--Machinery.10
- Coal--Transportation--West Virginia--Thomas.10
- Dynamite.10
- Sidewalks--West Virginia--Thomas.10
- Mine railroads--Cars.9
- Streets--West Virginia--Thomas.9
- Coal miners.6
- Coal Mines and Mining--Mine Disasters.5
- Coal Mines and Mining--Mine Entrances.5
- Coal Mines and Mining--Miners at Work.5
- Coal Mines and Mining--Mine Interiors.4
- Coal-handling machinery.4
- Counties--Tucker.4
- Headframes (Mining)--West Virginia--Thomas.4
- Mine accidents--West Virginia--Thomas.4
- Mine rescue work--Equipment and supplies.4
- Coal miners--West Virginia--Thomas.3
- Coal mines and mining--West Virginia--Pierce.3