Search U.S. government technical reports digitized or harvested by TRAIL.
Manganese investigations -metallurgical division.
Progress reports -metallurgical division.
Concentration of fluorite from Metals Reserve Company stock piles
Niggerhead Manganese deposit, Socorro County, N. Mex.
Laboratory methods for evaluating materials for mineral-wool production
Titanium and iron minerals from black sands in bauxite
Progress report on development of columbium in Arkansas for 1953
Laboratory investigation of bauxite ore from the Quapaw Deposit, Saline County, Ark.
Removing quartz and other impurities from refractory clays by mineral dressing methods
Experimental tertiary amine flotation of zinc silicate (hemimorphite) from Missouri
Alkyl-dithiocarbamic acid amine salts as flotation collectors for sulfide lead slime
Beneficiation of refractory clay
Metallurgical testing of Hawaiian ferruginous bauxites
The hydrocyclone in clay beneficiation
Flotation of siegenite in a complex sulfide table middling from southeast Missouri
Polyethoxylated amines as flotation collectors for slimed lead minerals
Processing of high-iron Arkansas bauxite ores
Metallurgical testing of Hawaiian ferruginous bauxites :concluding report