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Mineral Industry Surveys For information, contact: Mark Brininstool, Copper Commodity Specialist National Minerals Information Center U.S. Geological Survey 989 National Center
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Document Date: 2015-05-15 10:24:16
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Mineral Industry Surveys For information, contact: Mark Brininstool, Copper Commodity Specialist National Minerals Information Center U.S. Geological Survey 989 National Center