Illinois Geology
All sorts of content about Illinois geology: its rocks, landforms and deep history.
Bedrock Geologic Map of Illinois
Illinois' bedrock is almost totally hidden but the state geological survey has mapped it all.
Illinois' bedrock is almost totally hidden but the state geological survey has mapped it all.
Quaternary Geologic Map of Illinois
Illinois is covered with recent glacial deposits, shown in this map from the state geological survey.
Illinois is covered with recent glacial deposits, shown in this map from the state geological survey.
Illinois Geology Gallery
Raymond Wiggers, author of Geology Underfoot in Illinois, will not only show you the geology, but will lecture on it and teach it to you as well.
Raymond Wiggers, author of Geology Underfoot in Illinois, will not only show you the geology, but will lecture on it and teach it to you as well.
Illinois Field Trips
The State Museum of Illinois has three field-trip guides for northern and southern Illinois.
The State Museum of Illinois has three field-trip guides for northern and southern Illinois.
Illinois Field Trips
Ellin Beltz features five field trips in Illinois outside Chicago.
Ellin Beltz features five field trips in Illinois outside Chicago.
Chicago Geology Links
Ellin Beltz has compiled several field trips around Chicago.
Ellin Beltz has compiled several field trips around Chicago.
Illinois State Geological Survey
Home of a wide variety of information including fossil pages and the "Geobits" series of online pamphlets.
Home of a wide variety of information including fossil pages and the "Geobits" series of online pamphlets.
Illinois Quarries
An exhaustive resource on the stone industry of Illinois.
An exhaustive resource on the stone industry of Illinois.
Southern Illinois Geology
Fred Keller discusses southernmost Illinois in the context of the Mississippi Embayment.
Fred Keller discusses southernmost Illinois in the context of the Mississippi Embayment.
Illinois Campgrounds
About.com's David Sweet guides you to the best outdoor places to stay.
About.com's David Sweet guides you to the best outdoor places to stay.
Illinois Maps
About.com's Matt Rosenberg helps get you oriented.
About.com's Matt Rosenberg helps get you oriented.
Illinois Scenic Roads
About.com's Darren Smith shows you the best ways to get around.
About.com's Darren Smith shows you the best ways to get around.