Copper mining in Arizona is a tale of both fortune and failure. A look at the past, present and future of an industry at the crossroads.

Onofre Tafoya spent 40 years moving the earth in an underground copper mine near Tucson. But it was more than hard work. It was the place where, as he says, he “became a man.”

Tracking the history of Arizona’s boom and bust towns. Bisbee and Globe survived, Helvetia and Ruby didn’t.