Subjects
- Coal - problems.1
- Coal miners1
- Coal miners' trials.1
- Coal mining - Labor organization.2
- 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
- Coal mining - coal companies.1
- Coal mining - coal operators associations.2
- Coal mining -- Strikes2
- Coal mining.4
- Court records - Logan County.1