Tonica Quadrangle

Surficial Geology

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EDMAP Tonica-SG 7.5, page 1

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Title: Surficial Geologic Map, Tonica Quadrangle, LaSalle County, Illinois
Author: John F. McEvoy, Jr.
Faculty Advisor: Dr. David H. Malone
Description: 42" × 36" map sheet; includes map and legend
Year: 2005 EDMAP
Series ID:
File size: 2.4 mb

Updated 11/11/2009 JKH

ILLINOIS STATE GEOLOGICAL SURVEY
E. Donald McKay, III, Interim Director

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