Cross sections showing the reconstructed stratigraphic framework of Paleocene rocks and coal beds in the northern and central Powder River basin, Montana and Wyoming

I-1959-A Cross sections showing the reconstructed stratigraphic framework of Paleocene rocks and coal beds in the northern and central Powder River basin, Montana and Wyoming, scale 1:500,000, 1990, ISBN 978-0-607-79116-7 Keywords: Stratigraphy, Stratigraphic Geology, Coal, Mines and mining, Natural resources, Powder river basin