Bedrock topography of east-central Iowa /

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Bibliographic Details
Main Author: Hansen, Robert E
Corporate Authors: Geological Survey (U.S.), Iowa Geological Survey
Format: Government Document Map
Language:English
Published: Washington, D.C. : Dept. of the Interior, U.S. Geological Survey, 1972
Series:Miscellaneous geologic investigations ; map I-717
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Brown University

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Call Number: USGS maps in series, I-717