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Three miners putting bolts in the roof at Bishop Mine. Jacks used to hold the roof up while this process was being done.

13. Crew Roof Bolting at Bishop Mine

IDNO:
002992
Title:
Crew Roof Bolting at Bishop Mine
Description:
Three miners putting bolts in the roof at Bishop Mine. Jacks used to hold the roof up while this process was being done.
Two miners work with a Joy roof bolt drill at Jamison No. 9.

14. Joy Roof Bolt Drill at Jamison No. 9

IDNO:
003043
Title:
Joy Roof Bolt Drill at Jamison No. 9
Description:
Two miners work with a Joy roof bolt drill at Jamison No. 9.

15. Miners Roof Bolting

IDNO:
033540
Title:
Miners Roof Bolting

16. Miners Roof Bolting

IDNO:
033541
Title:
Miners Roof Bolting