Topical Subjects
- Conveying machinery.2
- Counties--Kanawha.2
- Mine railroads--Cars.2
- Mine roof bolting.2
- Coal Mines and Mining--Coal Transportation--Rail.1
- Coal Mines and Mining--Machinery.1
- Coal Mines and Mining--Mine Entrances.1
- Coal Mines and Mining.1
- Coal miners--Salaries.1
- Coal mines and mining--Safety measures.1
- Coal mines and mining--West Virginia--Crumpler.1
- Coal mines and mining--West Virginia--Harrison County.1
- Coal mines and mining--West Virginia--McDowell County.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Coal-handling machinery.1
- Coal-mining machinery--Maintenance and repair.1
- Counties--Harrison.1
- Counties--McDowell.1
- Gas-turbines.1
- Mine railroad trains.1