Quaternary geologic map of the Chicago 4⁰ x 6⁰ quadrangle, United States /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Illinois State Geological Survey
Other Authors:	Lineback, Jerry Alvin, Richmond, Gerald Martin, 1914-, Fullerton, David S.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Edition:	Version 1.1, posted Oct. 2002.
Series:	Quaternary geologic atlas of the United States. Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1420 (NK-16)
Subjects:	Geology, Stratigraphic > Quaternary > Maps. Geology > Lake States > Maps.
Online Access:	https://purl.fdlp.gov/GPO/LPS93616

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