Grand Detour Quadrangle
Bedrock Geology
Title: Bedrock Geology of Grand Detour Quadrangle, Ogle and Lee Counties, Illinois
Author: Dennis R. Kolata
Description: Two 30" × 35" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, cross section, descriptive text, and 2 figures.
Year: 2012; originally STATEMAP 2011
Series ID: IGQ Grand Detour BG
File size: 20.7 mb
GIS data: 8.5 mb zip file (contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format)
Paper: $15.00
Ordering information for Illinois State Geological Survey publications
Updated 09/17/2012 mh