Difference between revisions of "Shortwall mining"
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(New page: A shortwall mining system consists of a room-and-pillar mining system in which the working face is wider than usual but smaller (less than 150 feet) than that in longwall mining. [[cat...) |
(Appears to have been copied from http://www.eia.doe.gov/glossary/glossary_u.htm without attribution - see my talk page.) |
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[[category:energy]] | [[category:energy]] | ||
Revision as of 16:35, October 10, 2008
shortwall mining