Browse TRAIL Inventories

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

Beneficiation of western beryl ores

Concentration of copper-cobalt ores from the Blackbird District, Lemhi County, Idaho

Beneficiation of oxide and silicate manganese ores from Crook, Albany, and Washakie counties, Wyo. :(Caulkins-McGuckin, J. B. C., and Gheen Properties)

Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah

Concentration of oxide manganese ores from vicinity of Winkelman, Pinal county, Ariz.


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