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Geologic Overview, Description of Map Units, and Correlation Chart for the Surficial Geologic Materials Maps of the Letts Quadrangle, Iowa and the Blanchard Island Quadrangle, Illinois - Iowa
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Geologic Overview, Description of Map Units, and Correlation Chart for the Surficial Geologic Materials Maps of the Letts Quadrangle, Iowa and the Blanchard Island Quadrangle, Illinois - Iowa

E Arthur Bettis III
Open file report, Vol.94-1
Geological Survey Bureau, Iowa Department of Natural Resources
Winter 1994
DOI: 10.17077/rep.006585
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Geologic Overview Description of Map Units and Correlation Char1.20 MBDownloadView
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Abstract

Includes Table of Contents, background, brief geologic history, description of map units, Figure 1, Acknowledgements, and references.

Geology

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