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As the White House calls to increase domestic mining, CNBC's Pippa Stevens goes inside one key copper mine in the U.S.
BINGHAM CANYON — Nine months after announcing a return to underground copper mining operations ... two priorities Rio Tinto has as the second-largest copper producer in the United States.
SANTIAGO (Reuters) -Chile's Codelco will partner with global mining giant Rio Tinto for its new Maricunga lithium project, ...
[Subscribe to our newsletter here] Utah’s Kennecott mine ... copper, the underground ore is expected to be 2% or higher. Rio Tinto also is spending another $300 million for what it calls the ...
Rio Tinto moved underground at Oyu Tolgoi, one of the world's largest copper-gold deposits ... which is in contact with the mine workers. "A request to start negotiations was sent and OT is ...
Sept 11 (Reuters) - A Native American group on Wednesday asked the U.S. Supreme Court to block Rio Tinto (RIO.AX ... to build one of the world's largest copper mines, a last-ditch legal ...
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