Recently Added Maps

Recently Added Maps for Download

Two 34" x 28" map sheets; sheet 1 contains map and legends; sheet 2 includes 2 cross sections, 3 figures, and descriptive text. Updated: April 13, 2018
 Citation:   Kolb, D.A., 2010, Quaternary geology of the Evansville, Il­linois 7.5-minute quadrangle, Randolph County, Illinois: Carbondale, Southern Illinois University, master’s thesis, 161 p. Updated: February 12, 2018
One 42" x 35" map sheet, accompanies Circular 586; contains map, legend, descriptive text, and 2 figures.  Updated: February 6, 2018
Updated: January 18, 2018
Updated: January 18, 2018
One 30"x35" sheet includes map, legend, descriptive text, and one figure. Updated: December 1, 2017
One 36" x 60" sheet; contains map, legends, descriptive text, and one figure.Recommended citation:  Luman, D. E., L. R. Smith, C.C. Goldsmith, 2002, Illinois Surface Topography, Illinois State Geological Survey, Champaign, IL, Illinois Map 11, scale 1:500,000. Updated: October 30, 2017
One 41.5" x 57" sheet includes map, legend, and 6 figures. Updated: October 30, 2017
Illinois Surface Topography
A computer-generated map showing the elevation of the surface of the state. A 36" × 64" version of this map may be purchased by contacting the ISGS Information Office. Updated: October 5, 2017
Two 34" x 28" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, 1 cross section, and 8 figures; report contains descriptive text and 4 figures. Updated: September 6, 2017