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  1. A forest of the coal age / by B. E. Dahlgren, Acting Curator, Dept. of Botany.
    By: Dahlgren, B. E. - Field Museum of Natural History.
    Publication info: Chicago :Field Museum Press,1933.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Bossen  Carboniferous  Carboon  Paleobotany  Petrified forests  
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  2. Fossil forests of the volcanic tertiary formations of the Yellowstone National Park /
    By: Holmes, William Henry, - Geological and Geographical Survey of the Territories (U.S.)
    Edition: Author's ed.
    Publication info: Washington :Dept. of the Interior, United States Geological and Geographical Survey,1879.
    Contributed by: Harold B. Lee Library (archive.org)
    Subjects: Paleobotany  Petrified forests  Tertiary  Trees, Fossil  Yellowstone National Park  
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  3. 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)
    Subjects: Petrified forests  Trees, Fossil  Yellowstone National Park  
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  4. The two oldest trees : one dead, one living / as told by Rufus Janvier Briscoe.
    By: Briscoe, Rufus Janvier.
    Publication info: Riverside, California :[Young & McCallister],1914.
    Contributed by: University of California Libraries (archive.org)
    Subjects: California  Petrified forests  Trees  
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