| 1. Historical Maps Online
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| Joint project by University of Illinois and the University of Illinois Press. Features numerous annotated images of geographical maps of Illinois, counties and cities along with the Midwest. |
| http://images.library.uiuc.edu/projects/maps |
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| 2. IDOT State Road Map
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| 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 |
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| 3. IllinoisAtlas.com
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| Provides freely available maps in PDF or JPEG format depicting a vast range of features. An ongoing project of the Data and Mapping Services Division of the Center for Governmental Studies at Northern Illinois University. |
| http://www.illinoisatlas.com |
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| 4. Mapathon Illinois
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| Link directory that features a selection of road maps, city street maps, parks, traffic and roadway references. |
| http://www.mapathon.com/il.shtml |
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