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Date: 2015-02-26 11:57:51Geography Reston Virginia United States Geological Survey Economic geology Conflict minerals Mineral resource classification Industrial Minerals Earth Planetary science Geology Geological surveys Minerals | Microsoft Word - MSIC Support Letter NMIC[removed]docxAdd to Reading ListSource URL: www.geosociety.orgDownload Document from Source WebsiteFile Size: 72,28 KBShare Document on Facebook |