Map PDF PDF of Bedrock Geology of Ames Quadrangle, Monroe and Randolph Counties, Illino… General Information: Description 43" x 33" single map sheet, contains map, legend, descriptive stratigraphic column, cross section, and descriptive text Publication Details: Publication Date 2002 Authors Joseph A. Devera Map Details: Theme Bedrock Geology Quadrangles Ames Scale Category Quadrangle Scale 1:24,000 GIS Data Downloads: https://chf.isgs.illinois.edu/maps/quad/ames-bg-gems.zip
