Steckley, Robert C. <br/><br/>
Blasting tests in a porphyry copper deposit in preparation for in situ extraction / 
by Robert C. Steckley, William C. Larson and Dennis V. D'Andrea. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  [1975]. 
 - ii, 47 p. :  ill. 
 - Report of investigations ;  8070 .
 - United States.  Bureau of Mines.  Report of investigations ;  8070 .
 - Report of investigations (United States. Bureau of Mines) ;  8070 .
<br/><br/><label>LCCN: </label>92015018     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blasting.<br/>Core drilling.