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Rio Tinto studies potential for underground mining at Kennecott copper

Rio Tinto looks to expand open-pit Kennecott copper mine to underground operation

Staff Writer
Rio is investigating the option of adding underground mining at its Kennecott, US open-pit copper mine

Rio is investigating the option of adding underground mining at its Kennecott, US open-pit copper mine

The investment builds on $25 million approved in early-2020 to complete a pre-feasibility study to determine the viability of underground mining operations at Kennecott. Potential underground mining...

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