TY - BOOK AU - Madsen,B.W. AU - Groves,R.D. ED - United States. TI - Alternative methods for copper recovery from dump leach liquors T2 - Report of investigations PY - 1981/// CY - Pgh. [i.e. Pittsburgh], Pa. PB - U.S. Dept. of the Interior, Bureau of Mines KW - Copper KW - Metallurgy KW - Leaching N1 - Errata sheet inserted ER -