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Coal conveyor systems run throughout the hillside.

25. Raw Coal Conveyor System

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.'

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

A miner operates an electric shuttle car in the mine.

27. Miner Operating an Electric Shuttle Car

28. Shot Down Coal, Mine No. 63

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

29. Loaded Coal Shuttle Car

A miner empties his shuttle car.

30. Shuttle Car Discharging Coal