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View of a row of boilers and equipment in an underground mine.

1369. Boilers in a Coal Mine

Coal cutting machine digs into the coal seam.

1370. Coal Cutting Machine

Continuous mining machine at work.

1371. Continuous Miner in a Tunnel Approximately 4 Feet High

1372. Loading Coal in an Unidentified MIne

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

1373. Miners Roof Bolting in Pursglove No. 15 Coal Mine

Shuttle car in an underground mine, loaded with coal.

1374. Loaded Shuttle Car

1375. 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.

1376. Interior of a Coal Mine with Roof Supports Along Longwall Face

Cutting equipment on a table.

1377. Stack Saw at Thomas, W. Va.

1378. Mining Machinery, Thomas, W. Va.

1379. Mining Machinery, Thomas, W. Va.

1380. Mining Machinery, Thomas, W. Va.