« Previous
Next »
Topical Subjects
- Coal miners.[remove]10
- Coal Mines and Mining--Consolidation Coal Company--Inspection Trip, 1948.6
- Coal trade.4
- Coal Mines and Mining--Consolidation Coal Company.2
- Coal mines and mining.2
- Coal-mining machinery.2
- Coal Mines and Mining--Mine Interiors--Machinery.1
- Coal Mines and Mining--Miners at Work.1
- Coal mines and mining--Kentucky.1
- Loaders (Machines)1
- Mine railroads--Cars.1
- Roof trusses.1