Subjects
- Coal industry.1
- Coal mines and mining1
- Coal mining - coal operators associations.1
- Coal mining.1
- Coal operators associations.1
- Environmentalism1
- Local/Regional History and Appalachian South1
- Maps (documents)1
- Politics and government.1
- Railroad1
- Union names.1
- Unions - UMWA.1
- Unions. SEE ALSO Labor organization.1
- United States. Labor Management Relations Act, 19471
- World War, 1939-19451