Search U.S. government technical reports digitized or harvested by TRAIL.
Flotation of a North Carolina pyrophyllite ore
Flotation and cyanidation tests on a gold-copper sulfide ore from Cooke, Mont.
Laboratory tests on percolation leaching of silica from bauxites
Concentration of oxide manganese ores from Lander County, Nev.
Concentration of oxide manganese ores from the Steelville and Susie Q claims, Beaver County, Utah
Cyanidation of gold-silver ore from Manhattan, Nev.
Concentration of oxide and silicate manganese ores from the vicinity of Golconda, Nev.
Experimental treatment of oxidized lead-silver ore from Eureka, Nev.
Concentration of oxide manganese ores from the vicinity of Cleveland, Bannock County, Idaho
Concentration of oxide manganese ores from San Bernardino County, Calif.
Concentration of oxide manganese ores from vicinity of Winkelman, Pinal county, Ariz.
Processes for beneficiating Great Gossan Lead ores, Carroll County, Va.
Experiments on the recovery of tin from low-grade Bolivian tin ores by sulfide volatilization
Preliminary mineral-dressing investigation of East Texas brown iron ores
Expansion of clays and shales from North and South Dakota in a rotary kiln