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U.S. Department of Energy
Office of Scientific and Technical Information

Longwall mining principles for safely working steep coal seams. Open file report 3 Dec 79-30 Jun 81

Technical Report ·
OSTI ID:6591518
This report summarizes the principles of safely working steep coal seams using longwall mining methods. The report presents the state of the art and identifies the problems that result from seam inclination. Details are given on foreign longwall faces achieving good records of safety and productivity when mining on 30 degrees to 50 degrees inclined seams. Recommendations for further research are suggested.
Research Organization:
Ketron, Inc., Wayne, PA (USA)
OSTI ID:
6591518
Report Number(s):
PB-83-117887
Country of Publication:
United States
Language:
English