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  1. Contribution to the fossil flora of Florissant, Colorado.
    By: Kirchner, Walter Charles George,
    Publication info: [n.p.]1898.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Colorado  Florissant  Paleobotany  Tertiary  
    BHL Collections: New York Botanical Garden
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  2. New phytophagous Hymenoptera from the Tertiary of Florissant, Colorado / by Charles T. Brues.
    By: Brues, Charles T.
    Publication info: Cambridge, Mass. :The Museum,1908.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Florissant  Hymenoptera, Fossil  Paleontology  Tertiary  
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