Subject Topical
- Coal mines and mining--West Virginia--Laws and legislation.1
- Coal mines and mining--West Virginia--Legends.1
- Coal mines and mining--West Virginia--Logan County--Statistics.1
- Coal mines and mining--West Virginia--Marshall County--Maps.1
- Coal mines and mining--West Virginia--McDowell County.1
- Coal mines and mining--West Virginia--Monongalia County.1
- Coal mines and mining--West Virginia--Pictorial works.1
- Coal mines and mining--West Virginia--Pocahontas County.1
- Coal mines and mining--West Virginia--Preston County.1
- Coal mines and mining--West Virginia--Raleigh.1
- Coal mines and mining--West Virginia--Stotesbury--History.1
- Coal mines and mining--West Virginia--Trials, litigation, etc. 1
- Coal mines and mining--West Virginia--Wetzel County--Maps.1
- Coal mines and mining--West Virginia--Wyoming County.1
- Coal preparation plants--Waste disposal.1
- Coal preparation plants--West Virginia.1
- Coal preparation--Environmental aspects.1
- Coal preparation--Europe.1
- Coal preparation--Study and teaching.1
- Coal reserves--West Virginia.1