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  1. By: Walcott, Charles D. (Charles Doolittle),
    Publication info: 1886-1888
    Holding Institution: Smithsonian Institution Archives
    Subjects: Field notes  Geology  Geology, Stratigraphic--Cambrian  Greenwich  Massachusetts  New York  Paleontology  Rensselaer  United States  Washington  
    BHL Collections: Smithsonian Field Books collection
  2. By: Walcott, Charles D. (Charles Doolittle),
    Publication info: 1886-1891
    Holding Institution: Smithsonian Institution Archives
    Subjects: Essex  Field notes  Fort Ann  Geology  Geology, Stratigraphic--Cambrian  Greenwich  New York  North Granville  Paleontology  Port Henry  Potsdam  Rensselaer  Scientific illustrations  United States  Washington  Whitehall  
    BHL Collections: Smithsonian Field Books collection