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- Modified longwall mining with a German coal planer (plow) in the Pocohontas No. 4 coal bed, Helen, W. Va.
- Coal Deposits in the Deep River Field, Chatham, Lee, and Moore Counties, N.C.
- Modified longwall mining with a German coal planer.
- Modified longwall mining with German coal planers :summary of operations at five coal mines
- The use of augers in surface mining of bituminous coal