Topical Subjects
- Coal preparation.2
- Indians of North America--Ohio--Antiquities.2
- Mounds--Ohio.2
- Tiger (Power shovel)2
- Abandoned mined lands reclamation.1
- Adena culture--Ohio.1
- Barges.1
- Cargo ships--Virginia--Hampton Roads.1
- Coal miners--Dwellings.1
- Coal miners--Salaries.1
- Coal mines and mining--Kentucky--Jenkins.1
- Coal mines and mining--Ohio--Georgetown.1
- Coal mines and mining--Safety measures.1
- Coal mines and mining--West Virginia--Middleton.1
- Coal mines and mining--West Virginia--Owings.1
- Coal mines and mining--West Virginia--Watson.1
- Coal mines and mining--West Virginia.1
- Coal preparation plants--West Virginia--Fairmont.1
- Coal preparation plants--West Virginia--Middleton.1
- Coal preparation plants--West Virginia--Owings.1