Topical Subjects
- Coal mines and mining--Illinois--Centralia.2
- Coal mines and mining--Illinois--Nokomis.2
- Coal mines and mining--Kentucky--Garrett.2
- Coal mines and mining--Kentucky--Jackhorn.2
- Coal mines and mining--Pennsylvania.2
- Coal mines and mining--West Virginia--Amherstdale.2
- Coal mines and mining--West Virginia--Barrickville.2
- Coal mines and mining--West Virginia--Bartley.2
- Coal mines and mining--West Virginia--Beury.2
- Coal mines and mining--West Virginia--Bower.2
- Coal mines and mining--West Virginia--Cassville.2
- Coal mines and mining--West Virginia--Clarksburg.2
- Coal mines and mining--West Virginia--Concho.2
- Coal mines and mining--West Virginia--Cranberry.2
- Coal mines and mining--West Virginia--Davy.2
- Coal mines and mining--West Virginia--Elkhorn.2
- Coal mines and mining--West Virginia--Gilliam.2
- Coal mines and mining--West Virginia--Glen Jean.2
- Coal mines and mining--West Virginia--Goodwill.2
- Coal mines and mining--West Virginia--Holden.2