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  1. Fossil forests of the Yellowstone national park.
    By: Knowlton, Frank Hall, - United States. National Park Service
    Publication info: Washington,Govt. print. off.,1921.
    Holding Institution: Smithsonian Libraries
    View Book
  2. Fossil forests of the Yellowstone National Park /
    By: Knowlton, Frank Hall, - United States. National Park Service
    Publication info: Washington :G.P.O.,1921.
    Holding Institution: Harold B. Lee Library (archive.org)
    View Book
  3. Wild animals of Glacier National Park. The mammals, with notes on physiography and life zones, by Vernon Bailey ... The birds, by Florence Merriam Bailey.
    By: United States. National Park Service - Bailey, Florence Merriam, - Bailey, Vernon,
    Publication info: Washington,Govt. print. off.,1918.
    Holding Institution: Smithsonian Libraries
    BHL Collections: Early Women in Science | Notable Women in Natural History
    View Book