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  1. Fossil forests of the Yellowstone National Park /
    By: Knowlton, Frank Hall, - United States.
    Publication info: Washington :G.P.O.,1921.
    Contributed by: Harold B. Lee Library (archive.org)
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  2. Fossil forests of the Yellowstone national park.
    By: Knowlton, Frank Hall, - United States.
    Publication info: Washington,Govt. print. off.,1921.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  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. - Bailey, Florence Merriam, - Bailey, Vernon,
    Publication info: Washington,Govt. print. off.,1918.
    Contributed by: Smithsonian Libraries
    BHL Collections: Early Women in Science | Notable Women in Natural History | Smithsonian Libraries
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