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By: Patterson, Bryan,Edition:Publication info: Chicago, Field Museum of Natural History, 1934Volume: v.6:no.5 (1934)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: 1922-1924 Captain Marshall Field paleontological expedition Paleontology Pliocene PseudotypotheriumBHL Collections:
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By: Patterson, Bryan,Edition:Publication info: Chicago, 1935Volume: v.6:no.12 (1935)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: 1922-24 Argyrohippus Captain Marshall Field paleontological expedition Paleontology Patagonia (Argentina and Chile)BHL Collections: