https://me.smenet.org/rio-tinto-to-invest-1-5-billion-into-kennecott-mine-expansion/
Rio Tinto to invest $1.5 billion into Kennecott Mine expansion - Mining Engineering Online -...
May 15, 2024 - Utah’s Bingham Canyon copper mine will remain in operation longer than expected thanks to a $1.5 billion expansion program announced by Rio Tinto on Dec. 3....
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