Topical Subjects
- Cargo ships--Virginia--Hampton Roads.1
- Coal miners--Dwellings.1
- Coal miners--Education.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--Carolina.1
- Coal mines and mining--West Virginia--Middleton.1
- Coal mines and mining--West Virginia--Watson.1
- Coal preparation plants--West Virginia--Carolina.1
- Coal preparation plants--West Virginia--Fairmont.1
- Coal preparation plants--West Virginia--Middleton.1
- Coal preparation plants--West Virginia.1
- Coal trade--Accidents.1
- Coal trade--Quality control.1
- Coal--Testing.1
- Coal--Transportation--Italy--Livorno.1
- Coal--Transportation--Pennsylvania.1
- Coal--Transportation--West Virginia--Owings.1