1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Montana, Wyoming, and Powder River Basin (Wyo. and Mont.).
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1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Wyoming and Powder River Basin (Wyo. and Mont.).
1993. 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.), Fort Union Formation, and Wasatch Formation.
1993. 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.
1993. 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.
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.