Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration of manganese ores from Gila, Greenlee, and Graham counties, Ariz.
Concentration of oxide manganese ores from the Havasu Lake District, California and Arizona
Concentration of Colorado fluorite ores
Concentration of oxide manganese ore from Sheep Mountain property, Durkee district, Oreg.
Concentration of copper-cobalt ores from the Blackbird District, Lemhi County, Idaho
Laboratory concentration of mercury ores from Oregon, California, Idaho, and Nevada
Concentration of oxide manganese ores from Lander County, Nev.
Concentration of oxide and silicate manganese ores from the vicinity of Golconda, Nev.
Beneficiation of Sherman pyromorphite lead ore
Concentration of Klukwan, Alaska, magnetite ore
Beneficiation of western phosphate ores
Laboratory concentration of various Alaska copper ores
Studies of the Snettisham magnetite deposit, southeastern Alaska
Laboratory concentration of chromite ores, Red Mountain district, Kenai Peninsula, Alaska
Recovering mercury from cinnabar-stibnite ore by flotation and fluidized-bed roasting