Topical Subjects
- Coal miners--West Virginia--Price Hill.1
- Coal miners--West Virginia--Thomas.1
- Coal miners--West Virginia--Webster County.1
- Coal mines and mining--Accidents.1
- Coal mines and mining--Maryland--Cumberland.1
- Coal mines and mining--Maryland--Elkhart.1
- Coal mines and mining--Maryland.1
- Coal mines and mining--Museums.1
- Coal mines and mining--Safety measures.1
- Coal mines and mining--West Virginia--Barbour County.1
- Coal mines and mining--West Virginia--Fayette County.1
- Coal mines and mining--West Virginia--Helen.1
- Coal mines and mining--West Virginia--Keystone.1
- Coal mines and mining--West Virginia--Maidsville.1
- Coal mines and mining--West Virginia--Mason County.1
- Coal mines and mining--West Virginia--Mingo.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Coal mines and mining--West Virginia--Owings.1
- Coal preparation plants--West Virginia.1
- Coal preparation plants.1