Lowest and Highest Points in Monroe County

Lowest and Highest Points in Monroe County
Low Elevation: 
<375 feet above mean sea level
Low Place: 
Mississippi River
Low Quad Name: 
Bloomsdale
Low PLSS: 
3-21-5S-10W
Low Geology: 
Cahokia Alluvium, river valley
High Elevation: 
>800 feet above mean sea level
High Place: 
unnamed hilltop
High Quad Name: 
Valmeyer
High PLSS: 
3-11-3S-11W
High Geology: 
Loess hills over Mississippian Middle Valmeyeran limestone
Area: 
393.49 square miles
Total Relief: 
425 feet
Percent Slope: 
1.74%
randomness