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  1. Fossil flora of the John Day basin, Oregon, by Frank Hall Knowlton.
    By: Knowlton, Frank Hall,
    Publication info: Washington,Govt. Print. Off.,1902.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: John Day Basin  Oregon  Paleobotany  
    BHL Collections: New York Botanical Garden
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