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Illinois Geologic Quadrangle Map - Alton
Surficial Geology
Click to view or right-click to download
Author: David A. Grimley
Description: 32" x 88" map sheet; includes legend, descriptive text, inset maps (2), photographs (3) and cross sections (2)
Year Delivered: 1999
File size: 23.3 mb PDF
Hardcopy: $10.50 GIS Data Available
Ordering information for Illinois State Geological Survey Publications.
Other Alton Maps: Bedrock Geology
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