Low Elevation
< 340 feet above mean sea level
Low Place
Saline River
Low Quad Name
Equality
Low PLSS
3-24-9S-7E
Low Geology
Equality Formation, Carmi Member, lake bottom deposits in river valley
High Elevation
> 1000 feet above mean sea level
High Place
Horton Hill
High Quad Name
Herod
High PLSS
3-28-10S-7E
High Geology
Pennsylvanian Caseyville Formation
Area
382.92 square miles
Total Relief
660 feet
Percent Slope
1.51%