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By: Bohrer, Vorsila L. - Martin, Paul S. (Paul Sidney),Edition:Publication info: [Chicago], Field Museum of Natural History, 1972Volume: v.63:no.1 (1972)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Arizona Hay Hollow site Hay Hollow site, Ariz Paleoecology PalynologyBHL Collections: