%0 U.S. Federal Government Document %0 Book %0 E-Resource %A Lee, A. Y. %E Wethington, Ann M. %E Cole, E. R. (Ernest R.) %I U.S. Dept. of the Interior, Bureau of mInes %D 1990 %G English %B Report of investigations %B Report of investigations (United States. Bureau of Mines) %T Pressure leaching of galena concentrates to recover lead metal and elemental sulfur