Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of ore-dressing methods for barite ores from New Mexico, Missouri, and Arkansas
Differential thermal analysis applied to the lime-soda sinter process
Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah
Concentration of manganese ores from Piute and Kane counties, southern Utah
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
Concentration of oxide manganese ores from northeastern Utah, Daggett Chief and Gray Hawk properties
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
Experiments in concentrating lead sulfide slime
Recovering iron concentrates from the Pea Ridge deposit, central Missouri
Experimental treatment of base-metal ores from California and Nevada
Beneficiating a complex sulfide-oxide lead-zinc ore from Missouri
Heavy liquids and procedures for laboratory separation of minerals
Removing quartz and other impurities from refractory clays by mineral dressing methods
Disposal of liquid waste in the Durango-type uranium milling flowsheet
Dissolution and roasting techniques for extracting cesium from pollucite ores
Radioactive techniques for continuously measuring flotation froth density and pulp flow rates
Reduction roasting-acid solution techniques in laboratory processing of Minnesota manganiferous ores
Magnetic roasting of iron ores with ferrous scrap
Effects of certain mineralogical features on phosphate recovery