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Ogle County


ogle county map Map legend and scale


Low elevation: <650 feet above mean sea level
      Place: Rock River
      7.5' quadrangle name: Grand Detour
      PLSS: 4-8-22N-9E
      Geology: Cahokia Alluvium in river valley

High elevation: >1020 feet above mean sea level
      Place: Southeast branch of Hardpan Ridge
      7.5' quadrangle name: Forreston North
      PLSS: 4-3-25N-8E
      Geology: Thin Illinois Ogle till over Silurian dolomite

Area: 757.12 square miles
      Total relief (approximate): 370 feet
      Average percent slope: 1.71%


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Updated 5/7/2007 JKH