Topical Subjects
- Coal miners--West Virginia--Webster County.4
- Coal miners--West Virginia--Wendel.1
- Coal miners--West Virginia--Winding Gulf.2
- Coal miners--West Virginia--Wolf Summit.1
- Coal miners--West Virginia.34
- Coal miners--Wounds and injuries--West Virginia--McDowell County.1
- Coal miners.353
- Coal mines and mining--Accidents.4
- Coal mines and mining--Alabama--Mulga.1
- Coal mines and mining--China.9
- Coal mines and mining--Dust control--Water infusion.1
- Coal mines and mining--Dust control.1
- Coal mines and mining--Equipment and supplies.84
- Coal mines and mining--Examinations.1
- Coal mines and mining--Exhibitions.3
- Coal mines and mining--Explosives.24
- Coal mines and mining--Illinois--Benton.1
- Coal mines and mining--Illinois--Carrier Mills.1
- Coal mines and mining--Illinois--Centralia.2
- Coal mines and mining--Illinois--Elkville.5