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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.'

1. Miners Operating a Cutting Machine at Mine No. 32, Consolidation Coal Company, Owings, W. Va.

A very large cutting machine being operated by a miner. 'Credit must be given to William Vandivert, Not to be reproduced without written liscense.

2. Cutting Machine in Operation at Mine No. 32

Two men operating a loading machine.

3. Loading Machine in Action at Mine No. 32

Two miners standing next to drilling machine.

4. Miners Operating a Drilling Machine at Consolidation Coal Mine No. 32