Crab Orchard Lake Quadrangle
Bedrock Geology
Title: Bedrock Geology of Crab Orchard Lake Quadrangle, Williamson County, Illinois
Author: W. John Nelson
Description: Two 36" × 30" map sheets; sheet 1 includes map and legends; sheet 2 includes descriptive stratigraphic column and descriptive text
Year: 2007
Series ID: IGQ Columbia-BG
File size: 2.5 mb
Paper: $15.00
GIS data: 2.8 mb zip file (contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format)
Surficial Geology
Title: Surficial Geology of Crab Orchard Lake Quadrangle, Williamson County, Illinois
Authors: Leon R. Follmer and W. John Nelson
Description: One 36" × 30" amp sheet; includes map, legends, and 1 figure
Year: 2010
Series ID: IGQ Crab Orchard Lake-SG
File size: 4.6 mb
Paper: $7.50
GIS data: 5.5 mb zip file (contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format)
Ordering information for Illinois State Geological Survey publications
Updated 07/11/2012 SLD