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More Arizona Mining Tucson Stories

METRO WEEK: Gem Shows Big Contributors to Economy, UA Research

$120 million economic impact, international research collaboration opportunities from big winter event.

Site of the proposed Rosemont copper mine, looking west from Highway 83.

State Issues Its OKs on Rosemont Water Quality

Decision now moves to federal level - Forest Service and Army Corps of Engineers.

San Pedro River

Mexican Copper Mine Contamination Spills Into San Pedro River

Authorities in northern Mexico issue a binational alert over mine water leakage in creeks, streams.

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