Difference between revisions of "Shortwall mining"
Jump to navigation
Jump to search
m (cat) |
m (Reverted edits by Jpauljones (talk) to last revision by WesleyS) |
(No difference)
| |
Latest revision as of 22:38, January 1, 2012
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.