Search U.S. government technical reports digitized or harvested by TRAIL.
Progress reports :metallurgical division.
Contributions to the art of smelting lead products
Progress reports - Metallurgical Division.
Progress reports :metallurgical division.
Progress reports :metallurgical division.
Progress reports :metallurgical division.
Froth flotation and agglomerate tabling of micas
Progress reports :metallurgical division.
Progress reports :metallurgical division.
Progress reports - metallurgical division.
Progress reports - metallurgical division.
Mining and benefication of Appalachian manganese ores
Manganese investigations :metallurgical division.
Manganese investigations :metallurgical division.
Manganese investigations :metallurgical division.
Manganese investigations :metallurgical division.
Directions for laboratory mineral sizing
Manganese investigations -metallurgical division.
Manganese investigations -metallurgical division.
Manganese investigations -metallurgical division.
Manganese investigations -metallurgical division.
Progress reports -metallurgical division.
Manganese investigations, Metallurgical Division.
Manganese investigations -metallurgical division.
Manganese investigations :ore-dressing studies of manganese ores.
Progress reports - metallurgical division.
Semi-pilot-plant investigations of nitrogen dioxide process for beneficiation of manganese ores
Beneficiation of iron ores by flotation.
Pilot-plant production of high-grade magnetite concentrates, Cranberry, N.C.
Concentration of bauxite for milling in the 50-ton Bureau of Mines Pilot Plant, Bauxite, Arkansas
Concentration of carbonate and oxide manganese ores from the vicinity of Tracy, Central California
Concentration of oxide manganese ores from the Havasu Lake District, California and Arizona
Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino County, Ariz.
Pilot mill concentration of Las Vegas wash manganese ore, Boulder City, Nev.
Concentration of Colorado fluorite ores
Concentration of manganese ore from southeastern Juab County, Utah
Concentration of oxide manganese ores from the Artillery Peak deposit, Mohave County, Ariz.
Concentration of oxide manganese ore from Sheep Mountain property, Durkee district, Oreg.
Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming
Concentration of manganese ores from Grand and Emery Counties, Utah
Concentration of Utah fluorite ores
Concentration of oxide manganese ore from the Ophir Hill mine, Ophir, Tooele County, Utah
Concentration of gravity tailings from the Grasselli deposit, Park City, Utah