Rock mechanics instrumentation for mine design; Proceedings: Bureau of mines Technology Transfer Seminar; Denver, Colo. ; July 25, 1972   
U.S: Bureau of mines 
 - Washington  Bureau of mines  1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA
<br/><br/><label>Universal Decimal Class. No.: </label>622(063)