Changes

Jump to navigation Jump to search

Punch mine (view source)

Revision as of 14:17, June 24, 2007

282 bytes added ,  14:17, June 24, 2007
New page: A punch mine is a type of small drift mine used to recover coal from strip-mine highwalls or from small, otherwise uneconomical, coal deposits. A shaft mine is driven vertically to the c...
A punch mine is a type of small drift mine used to recover coal from strip-mine highwalls or from small, otherwise uneconomical, coal deposits.

A shaft mine is driven vertically to the coal deposit. A slope mine is driven at an angle to reach the coal deposit.
[[category:energy]]
Aschlafly
Anthony, Irenaeus, Siteadmin, 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
125,891

edits

Retrieved from "https://www.conservapedia.com/Special:MobileDiff/207671"

Navigation menu