Chicago topographic maps

Average elevation: 179 m

Average elevation: 182 m

Average elevation: 208 m

Beverly, Morgan Park, Mount Greenwood, Washington Heights, and the City of Blue Island are considered part of the Blue Island Ridge. The prehistoric glacial ridge was once an island in a lake and later part of its western shore. The distinct geological history is the most significant in Chicago, being the…

Average elevation: 195 m

Average elevation: 182 m

Average elevation: 183 m

Average elevation: 184 m

Average elevation: 183 m

Average elevation: 194 m

Average elevation: 182 m

Average elevation: 185 m

Average elevation: 180 m

Average elevation: 182 m

Average elevation: 179 m

Average elevation: 182 m

Average elevation: 183 m

Average elevation: 179 m

Average elevation: 185 m

Average elevation: 180 m

Average elevation: 182 m

Average elevation: 183 m

Average elevation: 183 m

Average elevation: 184 m