Geography: Digital Illinois Map Resources

The Illinois Geographic Alliance and Illinois State University have developed a free online atlas for use in K-12 classrooms. The interactive mapping site also includes lesson plans for use by teachers.

The Illinois Department of Transportation has an interactive mapping site that can be used to learn about traffic and road construction in Illinois.

The Illinois Department of Transportation provides access to digital highway maps for the state of Illinois as well as individual counties, cities and townships. This site can also be used to request a copy of the print highway map.

This interactive mapping site can be used to identify the name of a tree or bush on the WIU Macomb campus.

An interactive atlas and mapping site for McDonough County, Illinois, which allows users to explore the physical and cultural geography of the county.

Bourquin, F., (Eds.), 1893. Plat book of McDonough County, Illinois. Chicago: Occidental Pub. Co. A digitized version of the 1893 Plat Book for McDonough County, Illinois from the Library of Congress' American Memory Collection.

The Land Ordinance of 1785 established the Public Land Survey System for the United States. This site contains digitized versions of the township plats for Illinois showing the geography, vegetation and other features that existed in Illinois prior to settlement.

This site contains links to county land cover maps developed from the Illinois Township Plats. A poster showing land cover for the entire state of Illinois can be purchased from the Illinois Natural History Survey.

This website, from the University of Illinois, provides access to digitized maps showing 400 years of historical development in Illinois and the Northwest Territory. It contains maps from the collections of the University of Illinois and the Newberry Library.

Maps showing precipitation, snowfall, temperature and other climate–related topics from the Illinois State Climatologist.

Many states have herpetological atlases showing the distribution of various reptiles and amphibians. The herpetological atlas for Illinois shows distribution maps as well as photos and identification information for amphibians and reptiles in Illinois.

A digital version of the Mississippi River Navigation Charts available from the Army Corps of Engineers.

A digital version of the Illinois River Navigation Charts from the Army Corps of Engineers.