Details of practical mining / 
 Engineering and mining journal 
comp. from the Engineering and mining journal by the editorial staff 
 - 544 páginas 
 - Mining library ;  v. 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería de minas
<br/><br/><label>LC Class. No.: </label>TN275  / D47