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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.

This picture shows the thickness of the coal seam in relation to a normal doorway.

2. Thickness of Coal Seam at Long Branch No. 1

Coal conveyor systems run throughout the hillside.

3. Raw Coal Conveyor System

A miner moves a fully loaded shuttle car down the mine shaft.

4. Loaded Coal Shuttle Car

Two miners digging coal in mine.

5. Miners Operating a Cutting Machine

Two miners take samples of coal.

6. Miners Taking Samples of Coal