Lowest and Highest Points in Jersey County

Lowest and Highest Points in Jersey County
Low Elevation: 
<420 feet above mean sea level
Low Place: 
Mississippi River
Low Quad Name: 
Elsah
Low PLSS: 
3-36-6N-11W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>885 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Otterville
High PLSS: 
3-36-7N-13W
High Geology: 
Mississippian Kinderhookian Limestone ridge
Area: 
373.43 square miles
Total Relief: 
465 feet
Percent Slope: 
2.17%