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Topical Subjects
- Boring.3
- Camera operators.1
- Coal Mines and Mining--Pocahontas Operators Association.[remove]27
- Coal miners.22
- Coal mines and mining.[remove]27
- Coal-mining machinery.7
- Electric locomotives.1
- Loaders (Machines)3
- Log transportation.1
- Mine railroads--Cars.2
- Mine railroads.3
- Parade floats--Virginia--Blacksburg.1
- Parades--Virginia--Blacksburg.1
- Tipples.2