Research Catalog

  • The Red Bird section of the upper Cretaceous Pierre shale in Wyoming / by James R. Gill and William A. Cobban; with a section on A new echinoid from the Cretaceous Pierre shale of eastern Wyoming, by Porter M. Kier.

    • Text
    • Washington : United States Department of the Interior, Geological Survey, 1966.
    • 1966
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo87036

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