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A large piece of coal.

1. Block of Coal

The pilothouse of the Humphrey towboat with a man at the controls.

2. Pilothouse of the Towboat Humphrey

The engine room of the "Humphrey" towboat where an unidentified man inspects one of the main diesel propulsion engines.

3. Engine Room of Diesel Towboat Humphrey

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

4. Miners Operating a Loading Machine

5. Loading Machine Discharges Coal into Shuttle Car

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.

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