1982. 2018-05-11T17:55:16Z. 2018-05-15T16:56:01Z. McIntosh, Willard L. Dept. of the Interior, United States Geological Survey. English. cartographic image. Public. Minnesota and Minnesota.
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1932. 2018-05-29T18:25:19Z. 2020-10-15T22:41:41Z. Minnesota Geological Survey. Minnesota Geological Survey. English. cartographic image. Public. Minnesota and Minnesota.
1978. 2016-07-12T14:25:40Z. 2016-09-28T13:07:51Z. Kanivetsky, Roman. Minnesota Geological Survey, University of Minnesota. English. cartographic image. Public. Minnesota and Minnesota.
1979. 2016-07-12T14:37:14Z. 2016-09-28T13:07:52Z. Kanivetsky, Roman. Minnesota Geological Survey. English. cartographic image. Public. Minnesota and Minnesota.
1887. 2002-06-01T04:00:00Z. 2017-03-07T22:14:42Z. Winchell, N. H. (Newton Horace), 1839-1914. Geological and Natural History Survey of Minnesota. English. cartographic image. Public. Minnesota and Minnesota.
1995. 2002-06-01T04:00:00Z. 2016-07-26T21:18:50Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. cartographic image. Public. Minnesota, Ontario, Manitoba, États-Unis, Canada, Ontario (Canada), Manitoba., Minnesota., and Ontario. Quaternary and From 2 million years ago.
