Notes: | Relief shown by shading and hypsometric tints. "Digital elevation model generated from U.S. Geological Survey topographic data. Vertical exaggeration 10x." "Acknowledgments: Appreciation is expressed to Chrtis C. Abert for GIS compilation, Pamella K. Carrillo for graphic design, and Cheryl K. Nimz for developmental editing." Includes text. Ancillary maps: Chicagoland about 14,500 years ago -- End moraines of the Wisconsin Glacial Episode -- [End moraines location map] -- Landscape divisions of Chicagoland.
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