Subject Topical
- Coal mine accidents--West Virginia--Monongah--Anniversaries, etc.1
- Coal mine accidents--West Virginia--Omar. 1
- Coal mine accidents.1
- Coal mine waste--Environmental aspects--West Virginia.1
- Coal mine waste--West Virginia--Congresses.1
- Coal mine waste.1
- Coal miners--Appalachian Region--Mortality.1
- Coal miners--Appalachian Region--Social life and customs.1
- Coal miners--Appalachian Region.1
- Coal miners--Diseases--Epidemiology.1
- Coal miners--Diseases--History.1
- Coal miners--Diseases--Kentucky.1
- Coal miners--Diseases--Pennsylvania--Research.1
- Coal miners--Diseases--Prevention and control.1
- Coal miners--Diseases--Rocky Mountain Regions.1
- Coal miners--Diseases--Virginia.1
- Coal miners--Diseases--West Virginia--McDowell County.1
- Coal miners--Diseases--West Virginia.1
- Coal miners--Dust diseases--Prevention and control.1
- Coal miners--Employment--West Virginia.1