Recently Added Maps
Recently Added Maps for Download
One 27" × 33" map sheet; includes map, legends and descriptive text Updated: April 14, 2021
Two 27" × 33" map sheets; includes map, legends, and descriptive text Updated: April 14, 2021
One 27" × 33" map sheet; includes map, legends and descriptive text Updated: April 14, 2021
One 27" × 33" map sheet; includes map, legends and descriptive text Updated: April 14, 2021
One 27" × 33" map sheet; includes 3-D geologic model and descriptive text with figure Updated: April 14, 2021
One 42" × 35" map sheet contains map and legends; report contains descriptive text with 3 tables. Updated: April 14, 2021
One 44" × 35" map sheet; includes map, legends and descriptive text with 4 figures Updated: April 14, 2021
One 28.5" × 31" map sheet contains map, legends, and descriptive text. Updated: April 14, 2021
One map sheet, accompanies Circular 589; contains map, legend, descriptive text, and 3 figures. Digital appendix at https://isgs.illinois.edu/publications/c589/appendix. Updated: April 14, 2021
33" × 43" map sheet; includes legend, descriptive text, stratigraphic column, photograph, and cross section Updated: March 2, 2021