![Coal mine bump / Crandall Canyon Mine / Longwall mining / Technology / Room and pillar / Coal mining / Underground mining / Mining Coal mine bump / Crandall Canyon Mine / Longwall mining / Technology / Room and pillar / Coal mining / Underground mining / Mining](https://www.pdfsearch.io/img/23f7af82f00f9a1d06efb3ae8ddaddab.jpg)
| Document Date: 2014-07-24 09:55:14 Open Document File Size: 43,66 KBShare Result on Facebook
Country United States / / Facility Crandall Canyon Mine / At Crandall Canyon Mine / / IndustryTerm mining / energy / / Organization Bureau of Mines / /
SocialTag |