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- Coal mines and mining--Safety measures.✖[remove]78
- Coal Mines and Mining--Mine Safety.56
- Mine safety.40
- Coal mines and mining--West Virginia--Thomas.33
- Coal miners.11
- Coal Mines and Mining--African-American Miners--Carter Collection.7
- First aid in illness and injury.7
- African American coal miners.4
- Coal Mines and Mining--Miners at Work.4
- Mine rescue work.4
- Consolidation Coal Company. Jamison Mine no. 9.7
- Consolidation Coal Company. Mine no. 207.2
- Scarbro Mine.2
- Beall High School (Frostburg, Md.)1
- Consolidation Coal Company.1
- Consolidation Coal Company. Mine no. 204.1
- Consolidation Coal Company. Mine no. 214.1
- Davis Coal and Coke Company.1
- Hanna Coal Company.1
- Hanna Coal Company. Mine no. 11 (Dunglen, Ohio)1
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