Coal mine bump

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31	Geology and Mining Conditions - Ground Control for Underground Gold Mines Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-18 14:46:10 Technology Longwall mining Retreat mining Room and pillar Gob Coal mine bump Mine Safety and Health Administration Underground mining Mining Coal mining
32	Geology and Mining Conditions - Ground Control for Underground Gold Mines Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-18 14:46:10 Technology Longwall mining Retreat mining Room and pillar Gob Coal mine bump Mine Safety and Health Administration Underground mining Mining Coal mining
33	Seismological Report on the 6 Aug 2007 Crandall Canyon Mine Collapse in Utah by Add to Reading List Source URL: www.seis.utah.edu Language: English - Date: 2008-07-15 12:57:58 Coal mine bump Geology Induced seismicity Coal mining Mine Safety and Health Administration Earthquake UtahAmerican Energy Retreat mining Mining Underground mining Crandall Canyon Mine
34	PDF Document Add to Reading List Source URL: www.dnr.state.oh.us Language: English - Date: 2005-04-15 14:52:36 Coal Technology Millfield Mine disaster Room and pillar Coal mine bump Subsidence Coal seam fire Surface mining Longwall mining Underground mining Coal mining Mining