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Pittsburg prospect (Six Mile Hill Mine group), Pearce Mining District, Pearce Hills, Sulphur Springs Valley, Cochise County, Arizona, USA

Pittsburg prospect (Six Mile Hill Mine group), Pearce Mining District, Pearce Hills, Sulphur Springs Valley, Cochise County, Arizona, USA
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Arizona
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Six-mile-hill
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Index-of-mining-properties-in-cochise
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Mineral-technology
Six-mile-hill-mine
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