Lowest and Highest Points in Brown County

Lowest and Highest Points in Brown County
Low Elevation: 
<425 feet above mean sea level
Low Place: 
Illinois River
Low Quad Name: 
Meredosia
Low PLSS: 
4-36-2S-2W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>810 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Clayton
High PLSS: 
4-32-1N-4W
High Geology: 
Loess over Glasford diamicton
Area: 
303.95 square miles
Total Relief: 
385 feet
Percent Slope: 
2.13%