Gunnison Copper controls the Cochise mining district, containing 12 known deposits within an 8 km economic radius, in the Southern Arizona copper ... recovery from mined ore and access new sources ...

Mining in Arizona:In the 'Copper State,' growing demand for ore raises fears in the fragile Sky Islands Copper World's developers envision at least four open pits across more than 4,000 acres in ...

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The rugged terrain made everything more complicated, from hauling in equipment to transporting ore ... copper mine in the ...