Topical Subjects
- Coal miners--West Virginia--Tunnelton.1
- Coal miners--West Virginia--Wendel.1
- Coal miners--West Virginia--Wolf Summit.1
- Coal miners--Wounds and injuries--West Virginia--McDowell County.1
- Coal mines and mining--Alabama--Mulga.1
- Coal mines and mining--Dust control--Water infusion.1
- Coal mines and mining--Dust control.1
- Coal mines and mining--Examinations.1
- Coal mines and mining--Illinois--Benton.1
- Coal mines and mining--Illinois--Carrier Mills.1
- Coal mines and mining--Illinois--Muddy.1
- Coal mines and mining--Kentucky--Closplint.1
- Coal mines and mining--Kentucky--Dunham.1
- Coal mines and mining--Kentucky--Haymond.1
- Coal mines and mining--Kentucky--Jenkins.1
- Coal mines and mining--Kentucky--Mortons Gap.1
- Coal mines and mining--Maryland--Cumberland.1
- Coal mines and mining--Maryland--Elkhart.1
- Coal mines and mining--Maryland.1
- Coal mines and mining--Museums.1