• publisher: City of Washington : Smithsonian Institution
  • creator: Walcott, Charles D. (Charles Doolittle), 1850-1927 Resser, Charles Elmer, 1889-
  • contributor: Resser, Charles Elmer, 1889-
  • Keyword: Geology, Stratigraphic Cambrian. Paleontology Cambrian.
  • years: 1910-28.
  • pages: 5 v. :
  • class: QE656
  • notes: Volumes issued as Smithsonian publication 1949, 2270, 2428, 2790, 2976.
  • download: pdf file