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Title:Surficial Geology Map, Grafton Quadrangle (Illinois Portion), Jersey and Calhoun Counties, Illinois
Author(s):Grimley, David A.
Contributor(s):Illinois State Geological Survey
Subject(s):Geology
Geology, Structural--Illinois--Maps
Geographic Coverage:Grafton Quadrangle
Jersey County, Illinois; Calhoun County, Illinois
Calhoun County, Illinois
Issue Date:1999
Publisher:Champaign, Ill.: Dept. of Natural Resources, Illinois State Geological Survey
Series/Report:IGQ Grafton-SG
Genre:Maps
Type:Text
Language:English
Description:Computer generated map
Relief shown by contours and spot heights
Includes 2 inset cross-sections, col. ill., text, index to adjoining 7.5-minute quadrangles, and location map
"Base map compiled at the Illinois State Geological Survey (ISGS) from digital line data (1990) provided by the U.S. Geological Survey and the ISGS."
Includes bibliographical references
URI:http://hdl.handle.net/2142/77940
Rights Information:Copyright 1999 Board of Trustees University of Illinois.
Date Available in IDEALS:2015-06-05
Identifier in Online Catalog:4132621
OCLC Identifier:(OCoLC)ocm41366757


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