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By: Iowa Geological Survey. - St. John, O. H. (Orestes Hawley) - White, Charles A. (Charles Abiathar),Edition:Publication info: [Iowa City], [State Geologist], [1867]Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects:BHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection
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By: Iowa Geological Survey. - White, Charles A. (Charles Abiathar), - Parvin, Theodore Sutton, - St. John, O. H. (Orestes Hawley) - Emery, Rush. - Iowa Geological Survey.Edition:Publication info: Des Moines, Printed and Pub. by Mills, 1870Volume: v. 1Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects:BHL Collections:
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By: St. John, O. H. (Orestes Hawley)Type: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 11Series:Issue: 81Date: 1869Page Range: 431--437Publication Info: Philadelphia, American Philosophical Society,Subjects: