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Two men with equipment putting up bolts to support the mine roof.

1. Miner Roof Bolting

Two men running a roof bolter in Jamison No. 9 mine.

2. Miner Roof Bolting at Jamison No. 9 Mine

Miner putting bolts into the roof of a mine for support.

3. Miner Roof Bolting

Two miners work on putting in roof bolts in the Pittsburgh Seam. Timber jack used to hold the roof while bolting.

4. Miners Roof Bolting

5. Miner Roof Bolting

Miners using a machine to bolt the mine roof.

6. Roof Bolting in Pursglove No. 15 Coal Mine