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  1. By: Koehler, Gary M. - Hornocker, Maurice G. - Hash, Howard S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 4
    Date: 1979
    Page Range: 441--442
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Koehler, Gary M. - Hornocker, Maurice G. - Hash, Howard S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 3
    Date: 1980
    Page Range: 339--341
    Publication Info: Ottawa Ottawa Field-Naturalists' Club