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Members of United Steelworkers (USW) Local 392 in Salt Lake City have ratified a new five-year contract with Rio Tinto, which owns and operates the Kennecott copper mining operation in Bingham Canyon.

The agreement, which takes effect immediately, includes annual wage increases, increased funding for employee benefit and retirement plans, healthcare improvements and an updated health and safety program.

The two sides began bargaining in February. About 1,200 employees at the mine are members of the USW and three other unions: the International Union of Operating Engineers, the International Association of Machinists and the International Brotherhood of Electrical Workers.

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