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Topical Subjects
- Coal mines and mining--West Virginia--Pursglove.1
- Coal mines and mining--West Virginia--Shinnston.1
- Coal mines and mining--West Virginia--Tunnelton.1
- Coal mines and mining--West Virginia--Welch.1
- Coal mines and mining--West Virginia--Winifrede.1
- Coal--Geology.1
- Coal--Testing.1
- Coal--Transportation--West Virginia--Winifrede.1
- Coke-ovens.1
- Counties--Kanawha.1
- Electricity in mining.1
- Freight cars.1
- Horses--Transportation.1
- Industrial equipment.1
- Mine gases--Testing.1
- Mounds.1
- Research, Industrial--Laboratories.1
- Safety lamps.1
- Slate--Geology.1