Copper retains much of the luster that lent Arizona the unofficial nickname "Copper State," and is king in rural Greenlee County.

Copper has endured as a linchpin of Arizona's economy since the territorial days. Arizona produces three-quarters of America's copper, valued at $6 billion a year, and the industry employs ...

MORENCI, Ariz. — The night crew returned to the motel parking lot just after 7 a.m. and assembled the booze and the ashtrays on a wooden picnic table. Some of the traveling mine maintenance ...

Copper has endured as a linchpin of Arizona's economy since the territorial days. Arizona produces three-quarters of America's copper, valued at $6 billion a year, and the industry employs thousands ...