1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.
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1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.
1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.
1924. 2018-06-19T19:09:52Z. 2018-09-05T20:08:13Z. Tanton, T. L. Geological Survey. English. cartographic image. Public. Ontario and Thunder Cape Region.
1914. 2018-06-25T19:55:56Z. 2018-09-05T20:08:12Z. Cairnes, D. D. (DeLorme Donaldson), 1879-1917. Geological Survey. English. cartographic image. Public. Alberta, Moose Mountain Region, and Moose Mountain Region (Alta.). Cretaceous.
1961. 2012-06-07T18:01:16Z. 2012-06-13T15:05:18Z. Caley, J. F. Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Ontario, Toronto Region, and Hamilton Region. Paleozoic.
1989. 2018-04-26T12:33:35Z. 2018-09-05T20:15:07Z. Thomson, J. E. Publication and Cartographic Services, Ontario Geological Survey. English. cartographic image. Public. Ontario and Teck.
1968. 2012-10-10T14:30:12Z. 2013-03-18T22:22:42Z. Marvin, Richard F. Dept. of the Interior, U.S. Geological Survey. English. Public. United States.
1991. 2007-03-20T13:56:56Z. 2013-03-18T23:17:28Z. Geological Survey of Canada. Russian&English&French. Public. Arctic regions. Quaternary.
