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Topical Subjects
- Coal Mines and Mining--Tipples.3
- Coal mines and mining--West Virginia.2
- Coal--Transportation.2
- Tipples--West Virginia.2
- Coal Mines and Mining--Mine Interiors.1
- Coal Mines and Mining--Miners at Work.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Coal mines and mining.1
- Coal-mining machinery.1
- Mine railroads.1
- Tipples--West Virginia--Fairmont.1