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Two men placing charges in an already drilled hole. Notice the preparatory cut on upper right hand side.

1. Miners Placing Charges

Two men operating a loading machine.

2. Loading Machine in Action at Mine No. 32

Miners leaving roofed man trip car at shifts end.

3. Miners Leaving Roofed Man-Trip Car At Shift's End, Consolidation Coal Company, 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.'

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

Two men running a roof bolter in Jamison No. 9 mine.

5. Miner Roof Bolting at Jamison No. 9 Mine

Two men with equipment putting up bolts to support the mine roof.

6. Miner Roof Bolting