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- Mining types and methods:
- Longwall mining
- Document types:
- Information Circulars
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Results 1 - 4 of 4
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In this report, several practical guidelines are recommended for controlling longwall coalbed methane. All predictions are based on determinations made for the Pittsburgh Coalbed in southwestern Pennsylvania.
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5/1/2007 - Conference papers, Information CircularsA detailed evaluation of the multiple-seam experiences at Harris No. 1 Mine was done as part of NIOSH's nationwide multiple-seam mining case history database.
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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.
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1/1/1992 - Information CircularsThis report examines shield design, operation practices, and the consequences for using high-capacity shield support systems. An optimization goal is to minimize support loading by using an active shield setting force compatible with strata behavior.
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Content source: National Institute for Occupational Safety and Health, Mining Program