Search U.S. government technical reports digitized or harvested by TRAIL.
Simple treatment methods for oxide gold and silver ores
Experimental treatment of oxidized lead-silver ore from Eureka, Nev.
Concentration tests on various base-metal ores
Concentration tests of manganese ores
Concentration tests of selected California-Nevada manganese ores
Concentration tests of California chromite ores
Chloride volatilization of oxidized lead ore from Eureka, Nevada
Experiments in reducing the phosphorus content of a Nevada iron ore
Experimental treatment of base-metal ores from California and Nevada
Experimental extraction of gold and silver from California and Nevada ores
Experimental treatment of Nevada and California fluorspar ores
Mount Eddy and Shasta View asbestos deposits, Siskiyou County, Calif.