Online Books by
United States. Mining Enforcement and Safety Administration. Pittsburgh Technical Support Center
Books from the extended shelves:
United States. Mining Enforcement and Safety Administration. Pittsburgh Technical Support Center: Noise control of an underground continuous miner, auger-type (Dept. of the Interior, Mining Enforcement and Safety Administration, 1977), also by Dennis A. Giardino, Leonard C Marraccini, and T. G. Bobick (page images at HathiTrust)
United States. Mining Enforcement and Safety Administration. Pittsburgh Technical Support Center: Quantitating respirable dust levels generated during longwall mining operations (Dept. of the Interior, Mining Enforcement and Safety Administration, Technical Support Center, 1977), also by R. Lindsay Mundell and Charles D. Taylor (page images at HathiTrust)
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