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Subject
- Miners.[remove]11
- Mines and mineral resources.7
- Labor.4
- Mine buildings.3
- Industry--United States--History.2
- Labor movement.2
- Mine explosions.2
- Aerial cinematography.1
- Axes.1
- Coal miners.1
- Coal mines and mining--Illinois.1
- Coal mines and mining.1
- Coffins.1
- Dead.1
- Disasters.1
- Gold mines and mining.1
- Labor unions--United States.1
- Machinery.1
- Repossession.1
- Rivers.1