Bedrock Geology of Johnston City Quadrangle, Williamson and Franklin Counties, Illinois
Two 36" × 30" map sheets; sheet 1 includes map and legends; sheet 2 includes descriptive stratigraphic column, descriptive text, and 2 cross sections
GIS download contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format (GIS file contents).
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps