Rio Tinto seeks US approval on Arizona copper project

Nov 14, 2013 | 10:13 AM | Shivani Singh

Tags  Rio Tinto, Resolution Copper, copper project, copper, David Luff, Forest Service, BHP Billiton, Arizona project Shivani Singh

SINGAPORE — Rio Tinto Plc is seeking approval from U.S. authorities for its Resolution Copper Mining Co. copper project in Superior, Ariz., which could become the largest copper producer....





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