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  1. New trilobites from the Maquoketa beds of Fayette county, Iowa / by Arthur Ware Slocom -- ; Oliver Cummings Farrington --
    By: Slocom, Arthur Ware, - Farrington, Oliver C. - Field Museum of Natural History.
    Publication info: Chicago :Field Museum of Natural History ,1913.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Fayette County  Iowa  Ordovician  Paleontology  Trilobites  
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