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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: 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