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A man inspecting a Joy Continuous Miner.
View of a Joy Continuous Mining machine.
A Continuous Mining Machine on display above ground.
A Joy Manufacturing Co. Continuous Mining Machine. ML 5196 DIO57.
A continuous miner, model 2BT-2 Twin Borer, sits on display.
Joy executives stand beside a continuous mining machine.
A large Marietta Miner Continuous Mining Machine.
Man operating a JMC1 continuous miner.
Two men standing next to a continuous mining machine.
A continuous mining machine operating in a four foot seam.
Continuous miner in action.
Two men using large bits to drill prior to placing charges.
Two men working on the loading machine.
Two men working with a rubber tire mounted cutting machine.
Two miners cut coal at Pursglove No. 15
Caption on back reads, 'Making a cut in the coal face is this Mastodon of the machine age - an underground cutter.  Rubber tired for mobility, and mounting a 9-foot cutting blade armed with whirring steel bits, it can cut a full 360 degree arc.  This and similar machines give America's bituminous coal mines almost unlimited capacity for production.'
Two miners operate a track mounted coal cutting machine.