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You searched for: Date undated Remove constraint Date: undated Topical Subjects Coal Mines and Mining--Mine Interiors--Machinery. Remove constraint Topical Subjects: Coal Mines and Mining--Mine Interiors--Machinery.
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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; If this photograph is used for publication, please give credit to the Bureau of Mines, United States Department of Interior.
Man sits by controls to loaded mine car.
Three men working to fill a coal car.
Two men travel through a narrow passageway in mine.
Two men ride on engine hauling loaded coal cars out of mine/
Two men ride on the engine hauling empty coal cars.
Men with loaded coal cars being hauled out of mine