Rough Times for Arizona Copper Mining
Low prices, layoffs, mandated upgrades, union negotiations are among issues.
Mine Waste Not Expected to Affect Arizona Water Supply
3 million gallons of contamination dumped into waterway that eventually reaches Colorado River.
METRO WEEK: Gem Shows Big Contributors to Economy, UA Research
$120 million economic impact, international research collaboration opportunities from big winter event.
State Issues Its OKs on Rosemont Water Quality
Decision now moves to federal level - Forest Service and Army Corps of Engineers.
Mexican Copper Mine Contamination Spills Into San Pedro River
Authorities in northern Mexico issue a binational alert over mine water leakage in creeks, streams.
