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  1. Report of the geological survey of Ohio / published by authority of the Legislature of Ohio.
    By: Geological Survey of Ohio.
    Publication info: Columbus, Ohio :Nevins & Meyers,1873-1906.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. Report of the Geological Survey of Ohio.
    By: Geological Survey of Ohio.
    Publication info: Columbus,Nevins & Myers, state printers,1873-93.
    Contributed by: Cornell University Library
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