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Karst regions of Illinois

Karst regions of Illinois (green) and the approximate locations of the more than 300 caves in Illinois. Sinkholes, circular depressions, caves, and numerous openings characterize karst landscapes.

Karst regions of Illinois

 

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

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Updated 07/22/2008 PKC