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Peoria County Low elevation: <420 feet above mean sea level Place: Illinois River 7.5' quadrangle name: Glasford PLSS: 4-7-6N-6E Geology: Cahokia Alluvium in river valley High elevation: 830 feet above mean sea level Place: unnamed hilltop 7.5' quadrangle name: Edelstein PLSS: 4-33-11N-7E Geology: Buda Moraine Area: 623.69 square miles Total relief (approximate): 410 feet Average percent slope: 1.82%
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| Updated 5/7/2007 JKH | |||