The Effects of Backfilling on Ground Control and Recovery in Thin-Seam Coal Mining
A large percentage of Southern Appalachian coal reserves are located in seams less than 36" thick. As thicker and currently more mineable, deposits are exhausted, methods of underground thin-seam extraction will have to be developed. These methods must be capable of removing coal efficiently a...
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/33050 http://scholar.lib.vt.edu/theses/available/etd-052099-151416/ |