Surficial Geology of Alton Quadrangle, Madison County, Illinois
Description:
32" × 88" map sheet; includes legend, descriptive text, inset maps (2), photographs (3) and cross sections (2)
Year:
1999; originally 1997
Program:
STATEMAP
Series ID:
IGQ Alton-SG
Downloads:
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