Map PDF PDF of Bedrock Geology of Lee County, Illinois General Information: Description 1:62,500 Lee County area map; 55" x 30" single map sheet; includes map, legend, descriptive text, stratigraphic column and inset map Publication Details: Publication Date 1999 Authors Christopher S. McGarry Map Details: Series ID 1999-1e Lee-BG Theme Bedrock Geology Scale Category County Scale 1:62,500