State of Illinois
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 The Upper Midwest Environmental Sciences Center works on a variety of projects in Illinois. Project information and descriptions are available through the UMESC Projects page. The center works on a variety of projects in the state of Illinois.  |  |  |  | ||||
| Most of the GIS data sets served through the state pages are tiled to the boundaries of 1:100,000- and 1:24,000-scale USGS quadrangles. GIS data are available for the 100K quadrangles shaded in red. | Aerial Photos are sorted by 100K USGS quadrangle tiles. The 100K quadrangles shaded in red are those that contain links to aerial photos. | 
Page Last Modified: April 3, 2018
 
		