Lowest and Highest Points in Greene County

Lowest and Highest Points in Greene County
Low Elevation: 
<420 feet above mean sea level
Low Place: 
Illinois River
Low Quad Name: 
Nutwood
Low PLSS: 
3-24-8N-14W
Low Geology: 
Cahokia Alluvium
High Elevation: 
>690 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Bedford
High PLSS: 
3-2-12N-13W
High Geology: 
Loess over Glasford till, perhaps over Mississippian Kinderhookian limestone
Area: 
541.04 square miles
Total Relief: 
270 feet
Percent Slope: 
1.36%