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Mineral Industry Surveys For information, contact: Christopher A. Tuck, Silicon Commodity Specialist National Minerals Information Center U.S. Geological Survey 989 National Center
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Document Date: 2014-09-05 12:49:48
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Mineral Industry Surveys For information, contact: Christopher A. Tuck, Silicon Commodity Specialist National Minerals Information Center U.S. Geological Survey 989 National Center