What We Do

The National Park Service preserves, protects, and shares our nation's special places and stories. Employees work in a variety of fields. Science, research, and restoration. Grants and partnerships. Planning and management. Interpretation, education, and beyond. Discover what we do.
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    • Type: Article
    • Offices: Geologic Resources Division
    2011 NFD artwork poster with mosasaur

    A fearsome predator of warm Cretaceous seas, the mosasaur was featured on the 2011 National Fossil Day artwork

    • Type: Article
    • Locations: Buffalo National River
    • Offices: Geologic Resources Division
    Remains of fossil nautiloids exposed along the Buffalo National River

    The bedrock of Buffalo National River includes outcrops of nearly twenty different formations, all from the Paleozoic Era (541 to 252 million years ago), and primarily deposited under shallow marine conditions.

Last updated: February 5, 2019