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  1. By: Wetter, Raymond Emil, - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)
  2. By: Wall, John Hallett, - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)
  3. By: Brayton, Darryl Merritt, - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)
  4. By: Trollope, Frederick Hamilton, - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)
  5. By: Greiner, Hugo Robert, - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)
  6. By: Norris, A. W. (Arnold Willy), - University of Alberta. Department of Geology,
    Holding Institution: University of Alberta Libraries (archive.org)