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Cumberland County![]()
Low elevation: <505 feet above mean sea level Place: Embarras River 7.5' quadrangle name: Greenup PLSS: 3-32-9N-9E Geology: Cahokia Alluvium in river valley High elevation: 675 feet above mean sea level Place: Unnamed hilltop 7.5' quadrangle name: Neoga PLSS: 3-10-10N-7E Geology: Illinois Vandalia till upland? Area: 342.94 square miles Total relief (approximate): 170 feet Average percent slope: 0.73%
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| Updated 5/4/2007 JKH | |||||