Surficial Geology of Highland Quadrangle, Madison, St. Clair, and Clinton Counties, Illinois
36" × 30" two map sheets; sheet 1 contains map and legend; sheet 2 includes descriptive text, inset maps (2), data table, and cross sections (2)
GIS Download (GMDM):
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