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Lake County | Quaternary | Maquoketa Formation | Silurian | Galena-Platteville Interval | Ancell Formation |
Ironton-Galesville | Eau Claire Formation | Mt. Simon Sandstone | Cross Sections


Stratigraphic Column Showing Materials in Lake County, Illinois

Stratigraphic column showing the geologic materials of Lake County, 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 2/7/2007 SLD