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You searched for: Acquisition Source Consolidation Coal Company Remove constraint Acquisition Source: Consolidation Coal Company Topical Subjects Mine roof bolting. Remove constraint Topical Subjects: Mine roof bolting. Topical Subjects Coal miners. Remove constraint Topical Subjects: Coal miners.
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Two miners work with a Joy roof bolt drill at Jamison No. 9.
Two miners put bolts in to the mine rood at Jamison No. 9.
Two miners work on putting in roof bolts in the Pittsburgh Seam. Timber jack used to hold the roof while bolting.
Miner putting bolts into the roof of a mine for support.
Miner putting bolts into the roof of a mine for support.
Two men running a roof bolter in Jamison No. 9 mine.
Two men with equipment putting up bolts to support the mine roof.