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  1. By: Mcalpine, Donald F - Fletcher, Timothy J. - Gorham, Stanley W. - Gorham, Irenie T.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 4
    Date: 1991
    Page Range: 526--529
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Mcalpine, Donald F - Hogans, William E. - Fletcher, Timothy J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 3
    Date: 1991
    Page Range: 386--387
    Publication Info: Ottawa Ottawa Field-Naturalists' Club