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MANGANESE DEPOSITS NEAR BROMIDE, OKLAHOMA. By D. F. HEWETT. FIELD WORK. During 1917, when there was a prospective shortage of manganese ore, the attention of the United States Geological Survey was called to manganese de
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Document Date: 2011-11-15 16:21:18
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MANGANESE DEPOSITS NEAR BROMIDE, OKLAHOMA. By D. F. HEWETT. FIELD WORK. During 1917, when there was a prospective shortage of manganese ore, the attention of the United States Geological Survey was called to manganese de