Browse TRAIL Inventories

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

Beneficiation of Sherman pyromorphite lead ore

Beneficiation of ferberite-scheelite ore from Germania Consolidated Mines, Inc. Stevens County, Wash.

Beneficiation of western phosphate ores

Zirconium-hafnium separation


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