Browse TRAIL Inventories

Concentration of carbonate and oxide manganese ores from Silver Bow, Jefferson and Park Counties, Mont.

Concentration of oxide manganese ores from Black Rock, Kramer, and Morgan-Cromar properties, Tooele and Juab Counties, Utah

Operations of manganese-ore-purchasing depots at Deming, N. Mex., and Wenden, Ariz.


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