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  1. By: Retallack, John T.
    Publication info: 1975
    Holding Institution: University of Alberta Library
  1. By: Retallack, John T. - Walsh, Robert F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 1
    Date: 1974
    Page Range: 90--90
    Publication Info: Ottawa Ottawa Field-Naturalists' Club