Lowest and Highest Points in Macon County

Lowest and Highest Points in Macon County
Low Elevation: 
<560 feet above mean sea level
Low Place: 
Sangamon River
Low Quad Name: 
Niantic
Low PLSS: 
3-28-16N-1W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>745 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Long Creek
High PLSS: 
3-17-16N-4E
High Geology: 
Cerro Cordo Moraine
Area: 
579.62 square miles
Total Relief: 
185 feet
Percent Slope: 
0.63%
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