Recently Added Maps
Recently Added Maps for Download
Two 36" × 30" map sheets; sheet 1 includes map and legends; sheet 2 includes descriptive stratigraphic column and descriptive text Updated: October 9, 2020
One 33.5" × 32" map sheet. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more information about the EDMAP program, click here. Updated: August 5, 2020
One 34" × 28 " map sheet; sheet 1 contains map and legends. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more information about the EDMAP program, click Updated: August 5, 2020
Two 35" × 30 " map sheets; sheet 1 contains map and legends; sheet 2 includes 2 cross sections, 1 map, and 3 figures. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For m Updated: August 5, 2020
One 11" × 8.5 " map sheet; sheet 1 contains map, legends, and descriptive text. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more information about the EDMAP progra Updated: August 5, 2020
36" × 42" map sheet; includes map, legend, and cross sections (2); map is available for download only. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more information about the ED Updated: August 5, 2020
32" × 45" map sheet; includes map, legend, descriptive text, photographs (3) and cross sections (2); map is available for download only. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. Updated: August 5, 2020
54" × 40" map sheet; includes map and legend, and descriptive text with 4 figures; map is available for download only. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more informat Updated: August 5, 2020
38" × 35" map sheet; includes map and legend; map is available for download only. This map has not been reviewed by the Illinois State Geological Survey and does not necessarily conform to the usual style and standards for ISGS publications. For more information about the EDMAP program, click Updated: August 5, 2020