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  1. By: Greer, Kenneth R. - Jonkel, Charles J., - Montana. Department of Fish and Game,
    Publication info: [Montana], Montana Department of Fish and Game, 1975
    Holding Institution: Montana State Library
  1. By: Jonkel, Charles J.,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 3
    Date: 1970
    Page Range: 309--310
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Jonkel, Charles J.,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 82
    Issue: 3
    Date: 1968
    Page Range: 222--222
    Publication Info: Ottawa Ottawa Field-Naturalists' Club