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Room and pillar
Results: 87

#	Item
71	Microsoft Word - CAI[removed]doc Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-24 09:54:50 Mine Safety and Health Administration Surface mining Room and pillar Mining Underground mining Coal mining
72	STATEMENT OF KEVIN G. STRICKLIN ADMINISTRATOR FOR COAL MINE SAFETY AND HEALTH MINE SAFETY AND HEALTH ADMINISTRATION U.S. DEPARTMENT OF LABOR BEFORE THE COMMITTEE ON HEALTH, EDUCATION, LABOR, AND PENSIONS Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-17 14:06:28 Sago Mine disaster Mine Safety and Health Administration Retreat mining Coal mine bump Coal mining Room and pillar Robert E. Murray Upper Big Branch Mine disaster Mining Underground mining Crandall Canyon Mine
73	Microsoft Word - CAI[removed]doc Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-24 09:54:51 Safety engineering Coal mining Room and pillar Sago Mine disaster Mining Underground mining Mine Safety and Health Administration
74	Mine Safety and Health Administration (MSHA) - Report of Investigation - Surface Mine Facility (Coal) - Fatal Underground Coal Burst Accidents Occuring August 6 and 16, 2007 (Crandall Canyon) - Appendix Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-24 09:55:14 Coal mine bump Crandall Canyon Mine Longwall mining Technology Room and pillar Coal mining Underground mining Mining
75	Mine Safety and Health Administration (MSHA) - Report of Investigation - Surface Mine Facility (Coal) - Fatal Underground Coal Burst Accidents Occuring August 6 and 16, 2007 (Crandall Canyon) - Appendix Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-24 09:55:15 Coal Longwall mining Mine Safety and Health Administration Outburst Room and pillar Windblast Coal mining Mining Underground mining
76	Mine Safety and Health Administration (MSHA) - Report of Investigation - Surface Mine Facility (Coal) - Fatal Underground Coal Burst Accidents Occuring August 6 and 16, 2007 (Crandall Canyon) - Appendix Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-24 09:55:15 Pillar Room and pillar
77	PDF Document Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-18 14:46:33 Mine Safety and Health Administration Safety engineering Longwall mining Room and pillar Underground mining Mining Coal mining
78	STATEMENT OF KEVIN G. STRICKLIN ADMINISTRATOR FOR COAL MINE SAFETY AND HEALTH MINE SAFETY AND HEALTH ADMINISTRATION U.S. DEPARTMENT OF LABOR BEFORE THE COMMITTEE ON HEALTH, EDUCATION, LABOR, AND PENSIONS Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-17 14:06:28 Sago Mine disaster Mine Safety and Health Administration Retreat mining Coal mine bump Coal mining Room and pillar Robert E. Murray Upper Big Branch Mine disaster Mining Underground mining Crandall Canyon Mine
79	stance. ¾¾The depth of cover was 700 feet or greater in 77 percent of the fatalities. ¾¾The mining height exceeded 7 feet in every instance but one. ¾¾Other conditions that have contributed to rib fall fatalities i Add to Reading List Source URL: www.msha.gov Language: English - Date: 2014-07-18 14:46:33 Mine Safety and Health Administration Safety engineering Longwall mining Room and pillar Underground mining Mining Coal mining
80	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

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