Topical Subjects
- Coal Mines and Mining--Coal Transportation--Rail.11
- Coal--Exhibitions.11
- Electric locomotives.11
- Tipples.11
- Towboats.11
- Coal mines and mining--West Virginia.10
- Mine railroad trains.10
- Coal preparation plants--West Virginia--Fairmont.9
- Mine gases--Measurement.9
- Smokeless fuel--Exhibitions.9
- Cities--Fairmont.8
- Coal Mines and Mining--Mine Safety.8
- Coal Mines and Mining--Miners and Miners' Families' Daily Lives.8
- Tipples--West Virginia.8
- Coal mines and mining--Explosives.7
- Coal washing.7
- Tiger (Power shovel)7
- Barges.6
- Coal mines and mining--Kentucky.6
- Coal preparation plants--Kentucky--Jenkins.6