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Two men operating a loading machine.

1. Loading Machine in Action at Mine No. 32

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.'

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

Men at work with loading machine and shuttle car. Probably Joy Machinery.

3. Miners Operating a Loading Machine

4. Joy Manufacturing Company Continuous Mining Machine

Two men working with a rubber tire mounted cutting machine.

5. Miners Operating a Cutting Machine

Close-up view of roof drill in action. Man in background is tightening bolt with air powered wrench at Consol. No. 204, Jenkins, Ky.

6. Miners Roof Bolting at Consol No. 204, Jenkins, Ky.