Spatial Coverage: Iowa - Yale University Library GeoBlacklight Search Results

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1891. 2011-12-12T21:26:41Z. 2022-03-29T20:39:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Iowa.

1954. 2011-12-12T21:26:41Z. 2022-03-29T20:39:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Iowa.

1908. 2011-05-25T16:49:19Z. 2015-10-21T14:59:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois, Iowa, and Wisconsin.

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