Stratigraphic cross section showing upper Paleocene coal-bearing rocks of the Tongue River member of the Fort Union Formation in the Piney Canyon NE and Piney Canyon NW quadrangles, Campbell and Weston counties, southeastern Powder River basin, Wyomi

I-2011 Stratigraphic cross section showing upper Paleocene coal-bearing rocks of the Tongue River member of the Fort Union Formation in the Piney Canyon NE and Piney Canyon NW quadrangles, Campbell and Weston counties, southeastern Powder River basin, Wyoming, scale 1:24,000, 1991, ISBN 978-0-607-79171-6 Keywords: Stratigraphy, Stratigraphic Geology, Coal, Mines and mining, Natural resources, Powder river basin