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"The miner is using a compressed-air drill to drive a hole in the lower edge of the working face of the coal vein."

7. Mining Bituminous Coal, Pa.

IDNO:
052810
Title:
Mining Bituminous Coal, Pa.
Date:
undated
Description:
"The miner is using a compressed-air drill to drive a hole in the lower edge of the working face of the coal vein."
Man sits by controls to loaded mine car.

8. Man Sitting on Loaded Mine Car

IDNO:
052857
Title:
Man Sitting on Loaded Mine Car
Date:
undated
Description:
Man sits by controls to loaded mine car.

9. Two Men with Cutting Machine

IDNO:
052861
Title:
Two Men with Cutting Machine
Date:
undated