Quaternary Geology of the Stonefort 7.5-Minute Quadrangle, Illinois
30" × 30" Stonefort 7.5 single map sheet; includes map, legend and descriptive text
OFS 1992-9 Stonefort-SG
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps