Hardwick, William R. <br/><br/>
Fracturing a deposit with nuclear explosives and recovering copper by the in-situ leaching method  
Hardwick, William R. 
 - Washington  Bureau of mines  1967 
 - Report Investigation  6996 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>recuperación<br/>explosivos nucleares<br/>cobre
<br/><br/><label>Universal Decimal Class. No.: </label>621.794.48:623.4.083.2 (47)