We need your feedback! What improvements would you like to see in BHL? Take our survey! s.si.edu/BHLUserSurvey
Sort By:
  1. Fossil ice crystals : an instance of the practical value of "pure science" / Bureau of Economic Geology and Technology, Division of Economic Geology.
    By: Udden, Johan August, - University of Texas. Division of Economic Geology.
    Publication info: Austin, Tex. :The University,1918.
    Holding Institution: University of California Libraries (archive.org)
    View Book
  2. A preliminary list of fossil mastodon and mammoth remains in Illinois and Iowa, by Netta C. Anderson. On the proboscidean fossils of the Pleistocene deposits in Illinois and Iowa, by Johan August Udden.
    By: Anderson, Netta C. - Udden, Johan August,
    Publication info: Rock Island, Ill.,Augustana Book Concern, printers,1905.
    Holding Institution: University of California Libraries (archive.org)
    View Book