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68 pages • missing pub info (editions)
ISBN/UID: 9781496027498
Format: Paperback
Language: English
Publisher: Createspace Independent Publishing Platform
Publication date: 21 February 2014
Description
Underground coal mining companies that operate continuous miner sections often apply to the Mine Safety and Health Administration (MSHA) for approval to take extended cuts to depths of up to 40 ft as a means of improving productivity. Historically...
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68 pages • missing pub info (editions)
ISBN/UID: 9781496027498
Format: Paperback
Language: English
Publisher: Createspace Independent Publishing Platform
Publication date: 21 February 2014
Description
Underground coal mining companies that operate continuous miner sections often apply to the Mine Safety and Health Administration (MSHA) for approval to take extended cuts to depths of up to 40 ft as a means of improving productivity. Historically...