Subjects
- Coal - problems.1
- Coal Mining - Tug River field1
- Coal companies - Island Creek Coal Company.1
- Coal companies - Solvay Collieries.1
- Coal industry.1
- Coal miners - March on Mingo and Logan.1
- Coal mining - Labor organization.2
- Coal mining - Logan Coal Operators Association.1
- Coal mining - March on Mingo and Logan.1
- Coal mining - New River field.1
- Coal mining - Regulation.1
- Coal mining - Safety.2
- Coal mining - Strip mining.1
- Coal mining - West Virginia Coal Association.1
- Coal mining - Winding Gulf field.1