Provides freely available maps in PDF or JPEG format depicting a vast range of features. An ongoing project of the Data & Mapping Services Division of the Center for Governmental Studies at Northern Illinois University. http://www.illinoisatlas.com/
Joint project by University of Illinois and the Follet Corporation. Features numerous annotated images of geographical maps of Illinois, counties and cities along with the Midwest. http://images.library.uiuc.edu/projects/historical_maps/
Provides interactive maps of the state and can be searched by city, town or state park. Also, features printable map options, along with current and winter road conditions. http://www.dot.state.il.us/maps.html