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Mort Rosenblum: Copper World plan's details give pause

Tucson Speaks Out: May 7 letters of the day

Pima County: Copper World's proposed aquifer permit is weak

But Hudbay Minerals says its mine south of Tucson, with six open pits, will comply with all environmental laws and meet all industry standards.

Arizona officials propose groundwater permit OK for big mine

Arizona DEQ hosts a lively public hearing on the groundwater protection permit for the massive Hudbay Copper World complex in Arizona.

Arizona officials propose groundwater permit OK for big mine

The Arizona Department of Environmental Quality proposes to approve a groundwater protection permit for the massive Copper World mining complex to regulate and require monitoring of pollutant discharges from 16