Disappearing history: Protecting 9.3 million acres of ancient culture
John Madsen scans a hillside littered with a layer of softball-size pinkish stones, pointing out what's missing from the scene - larger rocks that had been darkened by age and decorated by a long-vanished civilization. An entire hillside of Hohokam rock art had been stolen.
Copper mining pumping big bucks into AZ economy
Copper-Bearing Hills • The public can view Asarco’s Ray Mine off state Highway 177, northwest of Kearny. The state’s massive copper industry had an estimated total impact of $6.8 billion... […]
Arizona's copper economy
Where Copper is King • Solvent-extraction tanks of the BHP Billiton SX-EW facility sit below the hilltops of Miami, Ariz. The main driver behind the price increase for metals is... […]






