1964. 2011-06-07T20:30:04Z. 2012-02-14T00:29:50Z. Bergendahl, M. H. (Maximilian Hilmar), 1921-. U.S. Geological Survey. English. Public. Kentucky, Hancock County, Breckinridge County, and Ohio County.
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Bergendahl, M. H. (Maximilian Hilmar), 1921-✖[remove]1