Browse TRAIL Inventories

Concentration of manganese ores from Gila, Greenlee, and Graham counties, Ariz.

Beneficiation of oxide and carbonate manganese ores from the Philipsburg District, Granite County, Mont.

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

Selective flotation concentration of lead-zinc ores from the Musick and Helena mines, Bohemia District, Oreg.

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

Beneficiation of oxide manganese ores from Arapahoe, Douglas, Saguache, Custer, Chaffee, and Park Counties, Colorado

Concentration of Klukwan, Alaska, magnetite ore

Concentration of oxide manganese ores from northeastern Nevada (Caviglia-Vietti, Berning, and Reed-Parker deposits)

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


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