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By: Mansfield, Ira Franklin,Edition:Publication info: Beaver Falls, Penna, Tribune Printing, 1903Volume:Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects: 1942- Beaver County Herbarium Mansfield, Ira Franklin, Pennsylvania PlantsBHL Collections:
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By: Gould, C. N. - Berry, Edward Wilber, - Slocum, Ernest. - Tracy, F.C. - Lonsdale, John T. - Oklahoma Geological Survey.Edition:Publication info: Norman, [Okla.], Oklahoma Geological Survey, 1926Volume:Series:Holding Institution: University of British Columbia LibrarySubjects: Beaver County Beaver County (Okla.) Geology History Oklahoma PaleobotanyBHL Collections: