Oregon Quadrangle
Bedrock Geology
Title: Bedrock Geology of Oregon Quadrangle, Ogle County, Illinois
Author: Mary J. Seid
Description: Two 36" × 30" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, cross section, and descriptive text.
Year: 2010 STATEMAP
Series ID:
File size: 19 mb
Paper: $15.00
Ordering information for Illinois State Geological Survey publications
Updated 07/16/2012 SLD