Recently Added Maps

Recently Added Maps for Download

boone-winnebago-bg.gif (51.76 KB)
1:100,000 Boone and Winnebago Counties area map; 33" × 36" single map sheet; includes map, legend and inset map Updated: June 14, 2022
Whiteside Surficial Map
One 45" × 35" map sheet containing map and legends; 3-page report includes descriptive text with 1 table. Updated: June 10, 2022
One 41.5" × 57" sheet includes map, legend, and 6 figures. Updated: May 17, 2022
Geologic Road Map of Illinois
Authors: David A. Grimley, Barbara J. Stiff, Michael J. AndrewOne 36" × 36" folded map. Features surface deposits and landforms, municipalities, parks and recreational areas, and roads. Updated: May 17, 2022
Twelve  34" × 27" map sheets; each map depicts a different data theme for the 4-state area of Missouri, Illinois, Indiana, and Kentucky; 13-page report includes text and 12 figures. Updated: May 16, 2022
Wolf Lake Geology Map
38" × 32" single map sheet; includes map, legend, descriptive text, descriptive stratigraphic column, and cross section Updated: January 21, 2022
Wauconda Surficial Map
36" × 42" single map sheet, includes map and legend; separate report (6 pages) Updated: January 21, 2022
Vienna Bedrock Map
Two map sheets; sheet 1, 33" × 28", contains map and legend; sheet 2, 33" × 27", contains descriptive stratigraphic column; separate report (7 pages), contains descriptive text and cross section Updated: January 21, 2022
Stonefort Geology Map
38" × 32" single map sheet; includes map, legend, descriptive text, descriptive stratigraphic column, inset map and cross section Updated: January 21, 2022