Low Elevation
< 480 feet above mean sea level
Low Place
Mississippi River
Low Quad Name
Canton MO-IL
Low PLSS
4-36-3N-10W
Low Geology
Cahokia Alluvium, river valley
High Elevation
> 750 feet above mean sea level
High Place
Gittings Mound
High Quad Name
Lomax
High PLSS
4-35-7N-6W
High Geology
Hagarstown ridge
Area
805.69 square miles
Total Relief
270 feet
Percent Slope
1.17%