Lowest and Highest Points in Randolph County

Lowest and Highest Points in Randolph County
Low Elevation: 
<360 feet above mean sea level
Low Place: 
Mississippi River
Low Quad Name: 
Rockwood
Low PLSS: 
3-8-8S-5W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>740 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Rockwood
High PLSS: 
3-29-8S-5W
High Geology: 
Thin Vandalia Till over Pennsylvanian Caseyville Sandstone
Area: 
588.68 square miles
Total Relief: 
380 feet
Percent Slope: 
1.67%
randomness