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A panorama shows the open-pit Morenci Mine in Morenci, Arizona, the largest copper mine in North America and one of the largest in the world. It also mines gold. - SuperStock
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The open-pit Morenci Mine in Morenci, Arizona, is the largest copper mine in North America and one of the largest in the world. It also mines gold. - SuperStock
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The open-pit Morenci Mine in Morenci Arizona largest copper mine in North America one largest in world. It also mines gold Stock Photo - Alamy
The open-pit Morenci Mine in Morenci Arizona largest copper mine in North America one largest in world. It also mines gold Stock Photo - Alamy
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How an 1863 discovery put Arizona on the copper map
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