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DeKalb County

dekalb county map Map legend and scale


Low elevation: <630 feet above mean sea level
      Place: Somonauk Creek
      7.5' quadrangle name: Somonauk
       PLSS: 3-34-37N-5E
      Geology: Cahokia Alluvium in river valley

High elevation: 940 feet above mean sea level
      Place: Unnamed hilltop
      7.5' quadrangle name: Genoa
      PLSS: 3-10-41N-5E
      Geology: Elburn Moraine complex

Area: 629.22 square miles
      Total relief (approximate): 310 feet
      Average percent slope: 0.74%


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ILLINOIS STATE GEOLOGICAL SURVEY
INSTITUTE OF NATURAL RESOURCE SUSTAINABILITY     |    UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN

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Updated 5/3/2007 JKH