Low Elevation
< 600 feet above mean sea level
Low Place
Lake Shelbyville
Low Quad Name
Kirksville
Low PLSS
3-31-13N-5E
Low Geology
Reservoir in river valley
High Elevation
> 770 feet above mean sea level
High Place
unnamed hilltop
High Quad Name
Mattoon West
High PLSS
3-25-12N-6E
High Geology
Shelbyville undifferentiated moraine
Area
340.35 square miles
Total Relief
170 feet
Percent Slope
0.55%