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Date: 2004-02-06 18:56:10Geography of the United States Porphyry copper deposit Butte Montana Mining engineering Mineral resource classification Placer deposit Mineral exploration South Pass greenstone belt Gold mining in the United States Economic geology Geology Mining | References cited in Significant Deposit DatabasesAdd to Reading ListSource URL: pubs.usgs.govDownload Document from Source WebsiteFile Size: 153,34 KBShare Document on Facebook |
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