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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hawley, Alex W. L. (Alex Wilson Lewis), - Somers, J. D. - Alberta Environmental Centre.
    Publication info: Vegreville, AB, Alberta Environmental Centre, 1988
    Holding Institution: University of Alberta Library
  1. By: Peakall, David B - Noble, David G. - Elliott, John E. - Somers, J. D. - Erickson, Gary
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 2
    Date: 1990
    Page Range: 244--254
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Baril, Alain - Elliott, John E. - Somers, J. D. - Erickson, Gary
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 2
    Date: 1990
    Page Range: 273--284
    Publication Info: Ottawa Ottawa Field-Naturalists' Club