Topical Subjects
- Coal miners--West Virginia--Thomas.1
- Coal miners.1
- Coal mines and mining--Equipment and supplies.15
- Coal mines and mining--Safety measures.23
- Coal mines and mining--West Virginia--Pierce.4
- Coal mines and mining--West Virginia--Thomas.94
- Coal mines and mining--West Virginia.1
- Coal mines and mining.52
- Coal--Transportation.3
- Coal-handling machinery.1
- Coal-mining machinery.21
- Conveying machinery.10
- Counties--Marion.2
- Counties--Tucker.7
- Drill presses.1
- Dwellings--West Virginia--Thomas.18
- Dwellings--West Virginia--Tucker County.1
- Dwellings--West Virginia--Weston.1
- Electric motors.1
- Flow meters.1