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You searched for: geology Remove constraint geology Creator Barb Stiff Remove constraint Creator: Barb Stiff Publisher Illinois State Geological Survey Remove constraint Publisher: Illinois State Geological Survey Subject Geoscientific Information Remove constraint Subject: Geoscientific Information
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1. Quaternary Deposits: Illinois, 1996

1996. Barb Stiff. This feature dataset is a generalized version of Quaternary Deposits of Illinois. Updated to reflect the areal distribution of the Wedron and Mason...