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Topical Subjects
- Coal Mines and Mining.[remove]40
- Coal--Transportation.[remove]40
- Coal mines and mining.36
- Freight cars.22
- Tipples.20
- Conveying machinery.10
- Barges.2
- Coal miners--Dwellings.2
- Steam locomotives.2
- Coal Mines and Mining--Tipples.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Railroads.1
- Tipples--West Virginia.1