GRAND CANYON, AZ (AZFamily) — A uranium mine about 10 miles south of the Grand Canyon is now asking the state to increase the levels of arsenic that can legally be found in the groundwater they use.
A Canadian company has floated a plan to reopen the San Manuel copper mine more than 20 years after it closed northeast of Tucson, the Arizona Daily Star reported Sunday. Here are five takeaways from ...
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