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The Iowan drift a review of the evidences of the Iowan stage of glaciation ; a co-operative study for the U.S. Geological survey and the Iowa Geological survey /

M.M. Leighton's Thesis (Ph. D.)--University of Chicago, 1916. / "Private edition, distributed by the University of Chicago Libraries, Chicago, Illinois." "Reprinted from Iowa Geological Survey, volume XXVI, Annual report for 1915."

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/594285977
Date January 1917
CreatorsAlden, William C. Leighton, Morris M.
PublisherDes Moines,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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