Bedrock Geology of Walsh Quadrangle, Randolph County, Illinois



Two 36" × 30" map sheets and one 8-page report; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column and cross section; report contains descriptive text, 9 figures, and 3 plates.
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps