![Mississippi river valley and woodlands at iowa border. Overlooking mississippi river and wooded islets from atop bluffs in Mississippi river valley and woodlands at iowa border. Overlooking mississippi river and wooded islets from atop bluffs in](https://comps.canstockphoto.com/mississippi-river-valley-and-woodlands-pictures_csp65558387.jpg)
Mississippi river valley and woodlands at iowa border. Overlooking mississippi river and wooded islets from atop bluffs in
![Original northern border of Illinois was south of Chicago and Lake Michigan | College of Agricultural, Consumer & Environmental Sciences :: University of Illinois Original northern border of Illinois was south of Chicago and Lake Michigan | College of Agricultural, Consumer & Environmental Sciences :: University of Illinois](https://aces.illinois.edu/sites/aces.illinois.edu/files/old_files/news/Waterways%2003%2040%25_1.jpg)
Original northern border of Illinois was south of Chicago and Lake Michigan | College of Agricultural, Consumer & Environmental Sciences :: University of Illinois
![File:1854 Colton Pocket Map of Ohio, Michigan, Wisconsin, Iowa, Illinois, Missouri, Indiana and Kentucky - Geographicus - WesternStates-colton-1854.jpg - Wikimedia Commons File:1854 Colton Pocket Map of Ohio, Michigan, Wisconsin, Iowa, Illinois, Missouri, Indiana and Kentucky - Geographicus - WesternStates-colton-1854.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/d1/1854_Colton_Pocket_Map_of_Ohio%2C_Michigan%2C_Wisconsin%2C_Iowa%2C_Illinois%2C_Missouri%2C_Indiana_and_Kentucky_-_Geographicus_-_WesternStates-colton-1854.jpg)