This article is within the scope of WikiProject Illinois, a collaborative effort to improve the coverage of Illinois on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.IllinoisWikipedia:WikiProject IllinoisTemplate:WikiProject IllinoisWikiProject Illinois articles
Talk:Geology of Illinois is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.GeologyWikipedia:WikiProject GeologyTemplate:WikiProject GeologyGeology articles
It is requested that a photograph of Paleozoic rocks from the Illinois Basin or Cambrian rocks from Rock River be included in this article to improve its quality.
Wikipedians in the following regions may be able to help:
Illinois
Ogle County, Illinois
The external tool WordPress Openverse may be able to locate suitable images on Flickr and other web sites.