Title: Stratigraphic cross section showing upper Paleocene coal-bearing rocks of the Tongue River member of the Fort Union Formation in the Piney Canyon SE quadrangle, Weston County, southeastern Powder River Basin, Wyoming /
Authors: Johnson, Edward A. 1940-; Pierce, Frances Wahl.; Sigleo, Wayne R.; Geological Survey (U.S.)
Publisher: U.S. Geological Survey ; For sale by Map Distribution,
Year: 1990
Subjects: Geology, Stratigraphic Charts, diagrams, etc.; Coal Geology Wyoming Weston County Charts, diagrams, etc.; Weston County (Wyo.) Maps.