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Schuyler County
Low elevation: <430 feet above mean sea level
Place: Illinois and La Moine Rivers
7.5' quadrangle name: Cooperstown
PLSS: 4-9-1S-1W
Geology: Cahokia Alluvium in river valley
High elevation: >750 feet above mean sea level
Place: Unnamed hilltop
7.5' quadrangle name: Beardstown
PLSS: 4-1-1N-1W
Geology: Hulic till uplands or Hagarstown?
Area: 436.62 square miles
Total relief (approximate): 320 feet
Average percent slope: 02.00
State of Illinois | Illinois Department of Natural Resources | University of Illinois