Lowest and Highest Points in Logan County

Lowest and Highest Points in Logan County
Low Elevation: 
<510 feet above mean sea level
Low Place: 
Salt Creek and Sugar Creek
Low Quad Name: 
New Holland and Middleton
Low PLSS: 
3-30-20N-4W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>771 feet above mean sea level
High Place: 
Elkhart Hill
High Quad Name: 
Broadwell
High PLSS: 
3-18-18N-3W
High Geology: 
Le Roy Moraine
Area: 
612.32 square miles
Total Relief: 
261 feet
Percent Slope: 
0.67%