Surficial Geology of Collinsville Quadrangle, Madison and St. Clair Counties, Illinois
33" × 55" double map sheet; Sheet 1 includes map and legend; sheet 2 includes descriptive text, 3 inset maps, data table, photograph and cross sections (3)
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