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Topical Subjects
- Coal mines and mining.53
- Safety education.25
- Coal preparation plants.20
- Coal miners.14
- Coal mines and mining--Equipment and supplies.13
- Fire fighters--Training of.13
- Laboratories--West Virginia--Morgantown.12
- Coal mines and mining--China.9
- Coal--Transportation.9
- Mine railroads.9
- Mine safety--West Virginia--Morgantown.8
- Safety education--West Virginia--Morgantown.8
- College teachers--West Virginia--Morgantown.7
- Mining machinery.7
- Scientific apparatus and instruments.7
- College students--West Virginia--Morgantown.6
- Coal miners--China.5
- Men.5
- Mine lighting--Equipment and supplies.5
- Portraits--Group.5