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By: Walcott, Charles D. (Charles Doolittle),Edition:Publication info: 1879-1882Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects: Arizona Field notes Geology Geology, Stratigraphic--Carboniferous Geology, Stratigraphic--Devonian Geology, Stratigraphic--Silurian Grand Canyon Illustrations Kaibab Plateau Arizona Trail Kanab Canyon Paleontology United StatesBHL Collections: Smithsonian Field Books collection
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By: Walcott, Charles D. (Charles Doolittle),Edition:Publication info: 1882-1883Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects: Arizona Chuar Valley Colorado River Field notes Geology Geology, Stratigraphic--Carboniferous Geology, Stratigraphic--Devonian Geology, Stratigraphic--Proterozoic Illustrations Paleontology United States Unkar CreekBHL Collections: Smithsonian Field Books collection
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By: Walcott, Charles D. (Charles Doolittle),Edition:Publication info: 1885-1896Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects: Field notes Geology Geology, Stratigraphic--Cambrian Geology, Stratigraphic--Devonian Geology, Stratigraphic--Ordovician Geology, Stratigraphic--Silurian Hiko Mount Irish Range Nevada Paleontology Panaca United StatesBHL Collections: Smithsonian Field Books collection
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By: McAlester, A. Lee (Arcie Lee),Type: ArticleIn: PostillaVolume: no.58Series:Issue:Date: 1962Page Range: 1--13Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004Subjects: Alaska Bivalves--Phylogeny Geology, Stratigraphic--Devonian