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.). Jurassic.
1987. 2002-06-01T04:00:00Z. 2008-09-09T13:11:54Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Permian.
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.). Permian.
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.
1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Montana, Big Horn County, and Rosebud County.
1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. California.
1987. 2018-04-20T19:56:20Z. 2018-09-05T19:42:20Z. University of Texas at Austin. Bureau of Economic Geology. University of Texas at Austin, Bureau of Economic Geology. English. cartographic image. Public. Texas, Texas Panhandle, and Texas Panhandle. Tertiary and From 2 to 65 million years ago.
600. Stuttgart
1987. 2013-01-22T20:26:39Z. 2023-04-28T16:30:02Z. Falk-Verlag, cartographer. Falk-Verlag. German&English&French. cartographic image. Public. Stuttgart (Germany).