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The origin of the lead and zinc ores of the upper Mississippi valley district

Presented as Thesis (Ph. D.)--University of Wisconsin--Madison, 1911. / Reprinted from Economic geology, vol. VI, no. 5 (Aug. 1911) and vol. VI, no. 6 (Sep. 1911). Includes bibliographical references.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608806860
Date January 1911
CreatorsCox, Guy Henry.
Publisher[Lancaster, Pa.] : Economic Geology Pub. Co.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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