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Topical Subjects
- Warehouses.3
- Coal Mines and Mining--Mine Facilities.2
- Adena culture--Ohio.1
- Bathhouses.1
- Coal Mines and Mining--Company Stores and Offices.1
- Coal Mines and Mining--Mine Interiors--Machinery.1
- Coal Mines and Mining--Miners at Work.1
- Coal Mines and Mining--Preparation Plant Exteriors.1
- Coal mines and mining--Equipment and supplies.1
- Coal mines and mining.1
- Coal-fired furnaces.1
- Mounds.1