Low Elevation
< 450 feet above mean sea level
Low Place
Upper Peoria Lake / Peoria River
Low Quad Name
East Peoria
Low PLSS
3-33-27N-4W
Low Geology
Cahokia Alluvium, river valley
High Elevation
> 850 feet above mean sea level
High Place
unnamed hilltop
High Quad Name
Danvers
High PLSS
3-20-25N-13E
High Geology
Eureka Moraine
Area
537.33 square miles
Total Relief
400 feet
Percent Slope
1.19%