Open AccessUnderground Mine, Rocky Mountain Bituminous Coal, Operation
Author(s) -
Timothy J Skone
Publication year - 2011
Language(s) - Uncategorized
Resource type - Reports
DOI - 10.2172/1509221
Subject(s) - bituminous coal , asphalt , coal , mining engineering , coal mining , environmental science , waste management , hard coal , ton , engineering , archaeology , geography