Low Elevation
< 330 feet above mean sea level
Low Place
Cache River
Low Quad Name
Cyress
Low PLSS
4-18-14S-2E
Low Geology
Cahokia Alluvium, river valley
High Elevation
> 850 feet above mean sea level
High Place
unnamed hilltop
High Quad Name
Lick Creek
High PLSS
3-18-11S-2E
High Geology
Pennsylvanian Caseyville Sandstone ridge
Area
345.03 square miles
Total Relief
520 feet
Percent Slope
3.01%