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Close-up view of roof drill in action. Man in background is tightening bolt with air powered wrench at Consol. No. 204, Jenkins, Ky.
Miners operating a cutting machine.
Two men cutting coal in the parting.
A miner works on a piece of machinery on the interior of the mine. John Williams, Coal Life Project.
A coal cutter with nine foot cutting blade at work in Consol. Coal Co. Mine No. 32, Owings, W. Va.
A miner is operating a cutting machine at the Price Hill Colliery Co. mine