[Independence mining properties, Pitkin County, Colorado]. [1980-1981]

Rohlfs, Sterling.

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Pumpelly, Raphael, 1837-1923

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Raphael Pumpelly (1837-1923), American geologist and explorer, studied at the Royal School of Mines in Freiberg. He accepted a post in 1861 as a geologist for the Japanese government, and served two years in that position before traveling on through China, Mongolia, and Russia. He returned to the U.S. to study iron and copper deposits in Michigan and the Lake Superior district and from 1884-89 served as head of the New England division of the U.S. Geological Survey. In 1903 and 1904 he led exped...

Rohlfing, D. P.

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First Mississippi Corporation

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Newberry, W. E.

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Ayler, Maynard F.

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Dickerman, Alton L.

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