A Project of the Critical Trends Assessment Program

The Illinois River Bluffs

An Inventory of the Region's Resources

1998

state outline with region highlighted

Published by the Illinois Department of Natural Resources
Office of Realty and Environmental Planning

Preface

Shaded Relief Map

Land Cover Map

Illinois Natural Areas

Main Body

Sidebars
   Valley Geology
   Erosion
   Disappearing Ducks

   Backwater Lakes

Area at a Glance

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