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About 2,000 workers at copper mining company Asarco are preparing to picket in Arizona and Texas after voting to strike. The United Steelworkers said late…
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The U.S. Forest Service has issued its draft environmental review of a proposed underground copper mine in the mountains east of Phoenix, saying it favors…
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A federal judge has overturned the U.S. Forest Service's approval of a Canadian company's proposed copper mine in southeastern Arizona, ruling that the…