Turquoise - the blue and green gemstone - is often seen as emblematic of the West. A couple of listeners have asked about turquoise mines in Colorado. KRCC’s Shanna Lewis spoke with Clint Cross of ...
Canadian mining company Turquoise Hill Resources Ltd is locked in a feud with its largest shareholder, Rio Tinto Plc , , over the underground expansion of its massive Oyu Tolgoi copper mine in ...
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