Chicago areal geologic maps

Author:: Bretz, J. Harlen, 1882-1981, cartographer
Publisher:: State Geological Survey Division
Part Of:: ICN ICN
Subject:: Geology
Spatial Coverage:: Illinois, Chicago Region, Chicago Region (Ill.), Illinois., and Chicago Region.
Language:: English
Format:: cartographic image
Year:: 1924
Date Issued:: 2018-04-06T18:58:34Z
Date Modified:: 2018-04-06T18:58:34Z
Library Catalog Record:: https://search.library.yale.edu/catalog/13560895
Digital Collections Record:: No Digital Collections record

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