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Montgomery County


montgomery county map Map legend and scale


Low elevation: <510 feet above mean sea level
      Place: Shoal Creek
      7.5' quadrangle name: Sorento North
      PLSS: 3-21-7N-4W
      Geology: Cahokia Alluvium/Illinois Glasford till in river valley

High elevation: ~767 feet above mean sea level
      Place: Bald Knob
      7.5' quadrangle name: Bald Knob
      PLSS: 3-36-4N-2W
      Geology: Hagarstown ridge

Area: 701.92 square miles
      Total relief (approximate): 257 feet
      Average percent slope: 0.84%


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

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Updated 5/7/2005 JKH