This web exhibit features images of fossils of plants and animals from the Mazon Creek area of northern Illinois. These fossils formed inside concretions; some of them even show the soft tissues that usually do not become fossilized. From this fossil evidence, scientists have reconstructed ancient environments of Illinois.
Midwestern U.S. 16,000 Years Ago Web Exhibit, Details
MuseumLink Behind the Scenes at the Museum, Details
Prairies in the Prairie State Web Exhibit, Details