Topical Subjects
- Coal mines and mining--West Virginia--Despard.1
- Coal mines and mining--West Virginia--Monongah.1
- Coal mines and mining.1
- Coal preparation plants--Ohio--Cadiz.1
- Coal preparation plants--Pennsylvania--Ellsworth.1
- Coal preparation plants--Pennsylvania--Pittsburgh.1
- Coal preparation plants--West Virginia--Bluefield.1
- Coal preparation plants--West Virginia--Covel.1
- Coal preparation plants--West Virginia--Despard.1
- Coal preparation plants--West Virginia--Farmington.1
- Coal preparation plants--West Virginia--Goodwill.1
- Coal preparation plants--West Virginia--Itmann.1
- Coal preparation plants--West Virginia--Jenkinjones.1
- Coal preparation plants--West Virginia--Marion County.1
- Coal preparation plants--West Virginia--McComas.1
- Coal preparation plants--West Virginia--Owings.1
- Coal preparation plants--West Virginia--Pursglove.1
- Coal preparation plants--West Virginia--Summerlee.1
- Coal preparation plants--West Virginia--Vivian.1
- Coal--Storage.1