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This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

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After two public hearings and an extended comment period, the Utah Air Quality Board has approved emissions increases for long-term mining at Kennecott Utah Copper’s Bingham Canyon mine. During the ...

SALT LAKE CITY — A southern Utah copper mine has restarted operations in an arrangement with Rio Tinto Kennecott. Milford Mining resumed operations earlier this year at a mine it acquired in Beaver ...

SOUTH JORDAN, Utah — The Salt Lake County Sheriff's Office has arrested four people in connection with an unusual theft of copper from Rio Tinto Kennecott's mining operations. The scale and value of ...

NEW YORK, Sept 30 (Reuters) - Rio Tinto's Kennecott Utah Copper has reached a labor contract agreement with four unions after little more than a month of negotiations, the company said on Wednesday.

The Beehive State is continuing to advance its copper mining efforts, with Rio Tinto Kennecott last week announcing an agreement with Milford Mining Company. Under the three-year agreement, Kennecott ...