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Pittsburgh Consolidation Coal Company mine.<br />

1. Miner Operating a Joy Cutting Machine

2. Miners Operating a Cutting Machine at Consolidation Coal Company Mine No. 3

3. Miner Operating a Cutting Machine

4. Miners Operating a Loading Machine

5. Miner at Work Underground in a Coal Mine

6. Miner at Work Underground in a Low Ceiling Coal Mine

7. Miners Enter a Low Ceiling Mine on an Electric Cart

8. Miner on an Electric Cart

9. Miners Entering the Mine on an Electric Cart

10. Miner on an Electric Cart