Cross section showing the reconstructed stratigraphic framework of Paleocene rocks and coal beds in the central Powder River Basin from Decker to Bear Skull Mountain, Montana
Cross section showing the reconstructed stratigraphic framework of Paleocene rocks and coal beds in the central Powder River Basin from Decker to Bear Skull Mountain, Montana / U.S. Department of the Interior, U.S. Geological Survey ; by Marguerite W. McLellan
Series Titles:
Miscellaneous investigations series ; map I-1959-E Miscellaneous investigations series (Geological Survey (U.S.)) ; I-1959-E.