Recovering byproduct heavy minerals from sand and gravel, placer gold, and industrial mineral operations /

by Gomes, J. M. (John M.)
Published 1979

Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington /

by Martinez, G. M. (George M.)
Published 1981

Recovery of byproduct heavy minerals from sand and gravel operations in central and southern California /

by Gomes, J. M. (John M.)
Published 1980

Recovery of scheelite and byproduct sphalerite from western U.S. tactite ores /

by Gomes, J. M. (John M.)
Published 1982

Recovery of platinum-group metals from Stillwater Complex, Mont., flotation concentrates by matte smelting and leaching /

by Baglin, E. G. (Elizabeth G.)
Published 1982

Laboratory investigation of sulfurous acid leaching of kaolin for preparing alumina /

by Raddatz, A. E. (Andrea E.)
Published 1981

Preparation of ammonium paratungstate from a sodium tungstate-sodium chloride phase /

by Raddatz, A. E. (Andrea E.)
Published 1988