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Pilot-plant production of electrolytic manganese ores from manganese ores from metals reserve stock piles at Deming, N. Mex., Cushman, Ark., and Philipsburg, Mont.
Recovery of cobalt from manganese ores in the production of electrolytic manganese.
Pilot-plant production of electrolytic manganese from Chamberlain, S. Dak., nodules
Electrowinning of manganese from domestic ores
Electrolytic manganese in acid and basic electric steel foundry practice and basic steel ingot production