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TeachMeFinance.com - explain Underground mine Underground mine The term 'Underground mine' as it applies to the area of energy can be defined as ' A mine where coal is produced by tunneling into the earth to the coalbed, which is then mined with underground mining equipment such as cutting machines and continuous, longwall, and shortwall mining machines. Underground mines are classified according to the type of opening used to reach the coal, i.e., drift (level tunnel), slope (inclined tunnel), or shaft (vertical tunnel)'. Previous 5 Terms: undercutting Underflow Underground Feeder (UF) Underground gas storage Underground gas storage reservior capacity Next 5 Terms: Underground Service Entrance (USE) Underground storage Underground storage injections Underground storage tank Underground storage withdrawals About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.