Topical Subjects
- Coal--Transportation--West Virginia--Winifrede.1
- Coal--Transportation--West Virginia.100
- Coal--Transportation.215
- Coal--West Virginia--Sugar Creek.1
- Coal--West Virginia.6
- Coal-carrying vessels--Minnesota--Duluth.1
- Coal-carrying vessels.14
- Coal-fired furnaces--West Virginia--Martinsburg.1
- Coal-fired furnaces.1
- Coal-fired power plants--Pennsylvania--Elrama.2
- Coal-fired power plants--West Virginia--Riversville.1
- Coal-handling machinery.9
- Coal-mining machinery--Kentucky.2
- Coal-mining machinery--Maintenance and repair.3
- Coal-mining machinery--Models.1
- Coal-mining machinery--Ohio--Georgetown.1
- Coal-mining machinery--West Virginia--Bradshaw.1
- Coal-mining machinery--West Virginia.9
- Coal-mining machinery.166
- Coal.37