Browse TRAIL Inventories

Pilot-plant production of electrolytic manganese ores from manganese ores from metals reserve stock piles at Deming, N. Mex., Cushman, Ark., and Philipsburg, Mont.

Production of ductile titanium at Boulder City, Nev.

Recent practice at the Bureau of Mines, Boulder City, Nev., titanium plant

Acid-ferrous sulfate leaching of low-grade manganese carbonate and oxide ores, Cuyuna range, Minnesota

Operation of a dithionate-process pilot plant for leaching manganese ore from Maggie Canyon deposit, Artillery Mountains region, Mohave County, Ariz.

Metallurgical studies of rhodonite ores, Silverton district, Colorado :(In three parts).


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