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Christian County
Low elevation: <535 feet above mean sea level
Place: Sangamon River
7.5' quadrangle name: Edinburg
PLSS: 3-18-14N-3W
Geology: Cahokia Alluvium in river valley
High elevation: >775 feet above mean sea level
Place: unnamed hilltop
7.5' quadrangle name: Owaneco
PLSS: 3-25-11N-1W
Geology: Hagarstown ridge (2 high points)
Area: 707.56 square miles
Total relief (approximate): 240 feet
Average percent slope: 0.50%
State of Illinois | Illinois Department of Natural Resources | University of Illinois