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Coal cutting machine digs into the coal seam.

2713. Coal Cutting Machine

Continuous mining machine at work.

2714. Continuous Miner in a Tunnel Approximately 4 Feet High

2715. Jeffrey Loading Machine Emptying Coal into a New 11-Ton Steel Mine Car at Mine No. 32

2716. Loading Coal in an Unidentified MIne

Miner watches as coal loads into a shuttle car.

2717. Shuttle Car Being Loaded

Two miners use equipment to secure the roof at the Pursglove No. 15 mine.

2718. Miners Roof Bolting in Pursglove No. 15 Coal Mine

Shuttle car in an underground mine, loaded with coal.

2719. Loaded Shuttle Car

2720. Miners Work on a Loading Machine Inside a Mine

'Modified longwall mining with a German coal planer. Progress report 2: Completion of mining in three adjacent panels in the Pocahontas no. 4 coal bed, Helen, W. Va.' Please give credit to the Bureau of Mines, United States, Department of Interior.

2721. Interior of a Coal Mine with Roof Supports Along Longwall Face

Pittsburgh Consolidation Coal Company mine.<br />

2722. Miner Operating a Joy Cutting Machine

Cutting equipment on a table.

2723. Stack Saw at Thomas, W. Va.

2724. Drill Press,Thomas, W. Va.