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By: Branson, E. B. (Edwin Bayer), - Tansey, Vivian Ouray. - Stewart, Grace Anne,Edition:Publication info: Rolla, Mo, Missouri Bureau of Geology and Mines, 1922Volume:Series:Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr LibrarySubjects: Devonian Devoon Geology Geology, Stratigraphic Missouri PaleontologieBHL Collections: