TY - BOOK AU - Jeffers,T.H. AU - Groves,R.D. TI - Using solvent-impregnated carbon to recover copper from oxidized mill tailings T2 - Report of investigations / United States Department of the Interior, Bureau of Mines PY - 1985/// CY - Pittsburgh, Pa. PB - U.S. Dept. of the Interior, Bureau of Mines KW - Copper KW - Metallurgy KW - Tailings (Metallurgy) KW - Extraction (Chemistry) KW - Carbon, Activated ER -