Bedrock Geologic Map, Wood River Quadrangle, Madison County, Illinois
46" × 32.5" single map sheet, contains map, legend, descriptive stratigraphic column, descriptive text, and 1 figure
The GIS Download contains data in the U.S. Geological Survey's Geologic Map Schema (GeMS) format and includes ArcGIS file geodatabase, open source and simple versions of the geodatabase, metadata, and published map in PDF format.
Denny, F.B., and Devera, J.A., 2001, Bedrock Geology of Wood River Quadrangle, Madison County, Illinois: Illinois State Geological Survey, USGS-STATEMAP contract report, 2 sheets, 1:24,000.
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