Surficial Geology of the Columbia Quadrangle, Monroe and St. Clair Counties, Illinois
Two 36" × 30" map sheets; sheet 1 contains map and legends; sheet 2 contains descriptive text and 3 cross sections
2009; originally 2000
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