2007. 2007-12-03T21:05:22Z. 2016-07-26T21:19:56Z. Geological Survey (U.S.). U.S. Geological Survey : U.S. Geological Survey, Information Services [distributor]. English. cartographic image. Public. Montana, Saskatchewan, North Dakota, Montana., North Dakota., and Saskatchewan. Quaternary and From 2 million years ago.
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2000. 2002-06-01T04:00:00Z. 2016-07-26T21:18:51Z. Geological Survey (U.S.). The Survey ; Information Services [distributor]. English. cartographic image. Public. Manitoba, Winnipeg, Lake, North Dakota, Lake Winnipeg., and North Dakota. Quaternary and From 2 million years ago.
1984. 2016-06-21T14:49:32Z. 2016-09-26T17:42:52Z. State of Michigan, Dept. of Natural Resources, Geological Survey. English. cartographic image. Public. Michigan, Michigan., and États-Unis. Quaternary and From 2 million years ago.
1977. 2018-06-13T19:03:16Z. 2018-06-13T19:03:16Z. Muller, Ernest Hathaway, 1923-. Geological Survey. English. cartographic image. Public. New York (State) and Niagara Region. Quaternary and From 2 million years ago.
1989. 2018-06-21T18:02:18Z. 2018-06-21T18:02:18Z. Louisiana Geological Survey. Geological Society of America. English. cartographic image. Public. Mississippi River Valley and Mississippi River Valley. Quaternary and From 2 million years ago.
1986. 2018-05-30T20:01:37Z. 2018-05-30T20:01:37Z. Nordkalott Project. Nordkalott Project. English&Swedish. cartographic image. Public. Lapland, Europe, and Lapland. Quaternary and From 2 million years ago.
