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Topical Subjects
- Coal mines and mining--Pennsylvania--Finleyville.1
- Coal mines and mining--West Virginia--Crumpler.1
- Coal mines and mining--West Virginia--Fairmont.1
- Coal mines and mining--West Virginia--Grafton.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Coal mines and mining--West Virginia--Thomas.1
- Coal mines and mining--West Virginia--Tunnelton.1
- Coal mines and mining--West Virginia--Webster County.1
- Coal mines and mining--West Virginia--Winding Gulf--Safety measures.1
- Coal preparation plants.1
- Coal--Transportation--West Virginia--Winding Gulf.1
- Coal-mining machinery.1
- Locomotives.1
- Mine railroads--West Virginia.1
- Mining machinery.1
- Railroad ties.1
- Shuttle cars (Mine haulage)1
- Tipples.1