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Illinois Geologic Quadrangle Map - DongolaGeologyClick to view or right-click to download Author: W. John Nelson, Leon R. Follmer and John M. Masters Description: 47" x 31" single map sheet; includes map, legend, descriptive text, descriptive stratigraphic columns (2), and cross sections Year Delivered: 1999 File size: 10.9 mb PDF Hardcopy: $7.50 Ordering information for Illinois State Geological Survey Publications.
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| Updated 2/27/2007 SLD | |||||