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2713. 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.

2714. Interior of a Coal Mine with Roof Supports Along Longwall Face

Pittsburgh Consolidation Coal Company mine.<br />

2715. Miner Operating a Joy Cutting Machine

Cutting equipment on a table.

2716. Stack Saw at Thomas, W. Va.

2717. Drill Press,Thomas, W. Va.

2718. Mining Equipment (hammer) at Thomas, W. Va.

2719. Mining Machinery, Thomas, W. Va.

2720. Mining Machinery, Thomas, W. Va.

2721. Hoisting Engine at Thomas, W. Va.

2722. Mining Machinery, Thomas, W. Va.

2723. Mining Machinery, Thomas, W. Va.

2724. Mining Machinery, Thomas, W. Va.