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Title: Bedrock Geology of Smithland Quadrangle, Pope and Massac Counties, Illinois
Author: Joseph A. Devera
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 1996
Series ID: IGQ Smithland-BG
File size: 4.4 mb
Author: Michael L. Barnhardt
Description: Please contact author for information.
Year: 1996 STATEMAP
Updated 05/24/2013 mj