Lowest and Highest Points in Whiteside County

Lowest and Highest Points in Whiteside County
Low Elevation: 
<575 feet above mean sea level
Low Place: 
Mississippi River
Low Quad Name: 
Clinton Illinois - Iowa
Low PLSS: 
4-26-21N-2E
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>875 feet above mean sea level
High Place: 
2 unnamed hills
High Quad Name: 
Milledgeville
High PLSS: 
4-3-22N-6E
High Geology: 
Illinoian Ogle till uplands
Area: 
691.50 square miles
Total Relief: 
300 feet
Percent Slope: 
0.82%