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Combination in the mining industry a study of concentration in Lake Superior iron ore production /

Thesis (Ph. D.)--Columbia University, 1905. / Includes bibliographical references.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/612421225
Date January 1905
CreatorsMussey, Henry Raymond,
PublisherNew York : H.R. Mussey,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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