Changes

Jump to navigation Jump to search

Shortwall mining (view source)

Revision as of 14:20, June 24, 2007

202 bytes added ,  14:20, June 24, 2007
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...
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.
[[category:energy]]
Aschlafly
Anthony, Irenaeus, Siteadmin, apieditor, Bureaucrats, Check users, nsAm_Govt_101RO, nsAm_Govt_101RW, nsAm_Govt_101_ta, nsJudgesRO, nsJudgesRW, nsJudges_talkRO, nsJudges_talkRW, nsTeam2RO, nsTeam2RW, nsTeam2_talkRO, nsTeam2_talkRW, oversight, Administrators
126,204

edits

Retrieved from "https://www.conservapedia.com/Special:MobileDiff/207674"

Navigation menu