Jeffers, T. H. <br/><br/>
Using solvent-impregnated carbon to recover copper from oxidized mill tailings / 
by T.H. Jeffers and R.D. Groves. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 7 p. 
 - Report of investigations / United States Department of the Interior, Bureau of Mines ;  8966 .
 - Report of investigations (United States. Bureau of Mines) ;  8966. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper--Metallurgy.<br/>Tailings (Metallurgy)<br/>Extraction (Chemistry)<br/>Carbon, Activated.