1985. 2009-07-20T15:57:24Z. 2011-03-28T23:44:29Z. Clayton, Lee. University of Wisconsin-Extension, Geological and Natural History Survey. English. Public. Wisconsin and Superior, Lake, Region. Pleistocene.
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Start Over You searched for: Subject Glacial epoch Remove constraint Subject: Glacial epoch Spatial Coverage Superior, Lake, Region Remove constraint Spatial Coverage: Superior, Lake, Region Year 1985 Remove constraint Year: 1985
