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Miner running a continuous mining machine.

1. Continuous Mining Machine

Two miners work with a cutting machine at Mine 206, Kentucky. 'This material is the property of the Consolidation Coal Co. and must be returned promptly to: Advertising Department, Consolidation Coal Company, 30 Rockefeller Plaza, New York, N.Y.

2. Miners with Cutting Machine, Mine 206, Ky.

Two miners work with a machine to undercut coal.

3. Miners Undercutting Coal with Machine