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  1. Contribution to the fossil flora of Florissant, Colorado.
    By: Kirchner, Walter Charles George,
    Publication info: [n.p.]1898.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    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: Brues, Charles T. (Charles Thomas),
    Publication info: Cambridge, Mass. :The Museum,1908.
    Holding Institution: University of California Libraries (
    Subjects: Colorado  Florissant  Hymenoptera, Fossil  Paleontology  Tertiary  
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