Modify Selection
- Hazard prevention and control:
- Pillar design
- Document types:
- Information Circulars
Home Links
Results 1 - 4 of 4
-
3/1/1997 - Information CircularsThis proceedings volume contains papers presented at technology transfer seminars sponsored by the National Institute for Occupational Safety and Health (NIOSH) on New Technology for Ground Control in Retreat Mining.
-
6/1/1998 - Information CircularsA collection of 15 papers from leading international ground control specialists. The papers address the entire range of issues associated with coal pillars and have a decidedly practical flavor.
-
1/1/1992 - Information CircularsA U.S. Bureau of Mines investigation of longwall panel layouts to maximize coal recovery and minimize interactive problems in multiple-seam operations.
-
1/1/1987 - Information CircularsInformation was collected at 5 bump-prone mines. Among the findings, two geologic conditions have been found to cause bumps in the eastern U.S.: relatively thick overburden and extremely rigid strata immediately above and below the mine coalbed.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program