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