1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Montana, Beaverhead County, and Pioneer Mountains. Cretaceous.
Search Results
1987. 2008-09-04T13:47:56Z. 2011-03-25T21:38:24Z. Moore, Walter L., 1916-. North Dakata Geological Survey. English. Public. North Dakota. Cretaceous.
1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Powder River Basin (Wyo. and Mont.). Cretaceous.
1987. 2002-06-01T04:00:00Z. 2016-04-04T17:04:07Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Mexico, Gulf of. Cretaceous.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Utah, Colorado, and Uinta Basin (Utah and Colo.). Cretaceous.
1993. 2002-06-01T04:00:00Z. 2016-02-12T19:52:04Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
1993. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
1993. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
1993. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
1996. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by U.S.G.S. Information Services. English. Public. Powder River Watershed (Wyo. and Mont.). Cretaceous, Jurassic, Pennsylvanian, Permian, and Triassic.