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