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Two miners operate the breast type coal cutting machine.

25. Breast Type Coal Cutting Machine, Consol Mine No. 26, Watson, W. Va.

Two men operating a loading machine.

26. Loading Machine in Action at Mine No. 32

27. Joy Manufacturing Company Continuous Mining Machine

Man cutting coal in Consol. Coal Co. Mine in Kentucky. Note the roof supports using jacks.

28. Miner Cutting Coal in Consol Mine in Kentucky

Two men cutting coal in the parting.

29. Cutting Coal with Cavalier

30. Cutting Coal Preparatory to Shooting It Down for Loading