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Illinois Geologic Quadrangle Map - Grafton
Bedrock Geology
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Author: F. Brett Denny and Joseph A. Devera
Description: 33" x 43" map sheet; includes legend, descriptive text, stratigraphic column, photograph, and cross section
Year Delivered: 2002
File size: 5.1 mb PDF
Hardcopy: $10.50
Ordering information for Illinois State Geological Survey Publications.
Surficial Geology
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Author: David A. Grimley
Description: 32" x 36" single map sheet; includes legend, descriptive text, photographs (4) and topographic profiles (2)
Year Delivered: 1999
File size: 29.9 mb PDF GIS Data Available
Hardcopy: $10.50
Ordering information for Illinois State Geological Survey Publications.
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