One of the world’s most productive copper mines is also one of Arizona’s most reliable sources of Rocky Mountain bighorn ...

Freeport-McMoRan Copper & Gold is planning to hire hundreds of workers as it increases production and restarts projects in Arizona. The mining company laid off about 1,500 Arizona workers in 2008 and ...

A major mining operation in Eastern Arizona plans to cut its work force in half in another round of layoffs since the bottom fell out of the copper market. Freeport-McMoRan Copper & Gold announced ...

MORENCI, Ariz. (KVOA) - The Arizona Game and Fish Department (AZGFD) and Freeport McMoRan have teamed up to translocate Rocky Mountain bighorn sheep from the Morenci mine to safer areas, reducing ...

'I'm very aware of our environment': Clifton mayor discusses Morenci Mine Clifton mayor Laura Dorrell and Robert Pollock speak about the Morenci Mine, its impact and the value of copper.

Copper’s dizzying climb began in 2003, when prices surged in response to booming demand from China and other fast-industrializing economies. The price spike spurred a major revival of Arizona’s ...

habitat, but specific plans for such projects aren’t available. State environmental regulators said rainwater formed ponds on piles of mine tailings at Morenci, and the water was documented as early ...

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