Search U.S. government technical reports digitized or harvested by TRAIL.
Progress reports :metallurgical division.
Progress reports - metallurgical division.
Progress reports :metallurgical division.
Progress reports - metallurgical division.
Flotation of silver chloride from an oxide ore
Recovery of fumes from chloride volatilization of gold
Dense medium and flotation tests on an antimony ore from California
Chloride volatilization and other tests on a gold-copper ore
Preliminary tests of gold and zinc ores from Buzzard mine, Placerville, Calif.