Geology of the Chicago Lakeshore: The Chicago River Mouth
![Geology of the Chicago Lakeshore: The Chicago River Mouth Geology of the Chicago Lakeshore: The Chicago River Mouth](/files/images/08-ISGS-Chicago-River-Mouth. Courtesy Illinois State Geological Survey.preview.jpg)
Courtesy Illinois State Geological Survey. Poster available for purchase, contact Le Ann Benner at benner@isgs.illinois.edu
![]() Geology of the Chicago Lakeshore: The Chicago River Mouth![]() Courtesy Illinois State Geological Survey. Poster available for purchase, contact Le Ann Benner at benner@isgs.illinois.edu Browse by Category |