Subjects
- Civil War battles - Piedmont.1
- Coal - Logan County.1
- Coal - Mine safety.1
- Coal - company stores.1
- Coal - labor disputes.1
- Coal - labor relations.1
- Coal - problems.1
- Coal miners1
- Coal miners' trials.1
- Coal mining - March on Mingo and Logan.1
- Coal mining - Mechanization.1
- Coal mining - Miners' Treason Trials.1
- Coal mining - Safety.1
- Coal mining - Strip mining.1
- Coal mining - Working conditions.1