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Title: Bedrock Geology of Kaskaskia Quadrangle, Randolph County, Illinois and Ste. Genevieve and Perry Counties, Missouri
Authors: Mary J. Seid
Description: Two 30" × 35" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive text, descriptive stratigraphic column, and cross section.
Year: 2013, originally STATEMAP 2012
Series ID: IGQ Kaskaskia-BG
Cartography, GIS and graphics contributors: Jane E. Johnshoy Domier and Coy E. Potts.
File size: map: 43.9 mb
GIS data: 46 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 05/24/2013 mj