Crops increasingly need to thrive in a broader range of conditions, including drought, salinity, and heat. Traditional plant ...
Located 20 miles south of Tucson on the eastern slope of the Sierrita Mountains, the Twin Buttes Mining district dates back to the late 1800s. That’s when four prospectors gophered surface outcrops of ...
Mining has played a significant role in the history of Pinal County. Early mining dates back more than 1,000 years, as Native Americans mined chrysocolla using large diabase hammers for jewelry and ...
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