Topical Subjects
- Coal Mines and Mining--Coal Transportation--Rail.11
- Coal Mines and Mining--Coal Transportation--River.15
- Coal Mines and Mining--Coke Ovens.2
- Coal Mines and Mining--Company Stores and Offices.2
- Coal Mines and Mining--Consolidation Coal Company.100
- Coal Mines and Mining--Exhibit--Uses Of Coal.31
- Coal Mines and Mining--Laboratories.37
- Coal Mines and Mining--Mine Disasters.3
- Coal Mines and Mining--Mine Entrances.12
- Coal Mines and Mining--Mine Facilities.23
- Coal Mines and Mining--Mine Interiors--Machinery.26
- Coal Mines and Mining--Mine Interiors.38
- Coal Mines and Mining--Mine Safety.8
- Coal Mines and Mining--Miners and Miners' Families' Daily Lives.8
- Coal Mines and Mining--Miners at Work.77
- Coal Mines and Mining--Miners' Housing.1
- Coal Mines and Mining--Portraits--Group.73
- Coal Mines and Mining--Preparation Plant Exteriors.94
- Coal Mines and Mining--Preparation Plant Interiors.52
- Coal Mines and Mining--Surface Mining.15