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  1. By: Irwin, Larry L. (Larry Lynn) - Gillin, Colin. - United States. Bureau of Land Management. - International Association of Geophysical Contractors. - United States. Forest Service. - Wyoming. Game and Fish Department.
    Publication info: [Laramie, Wyo.?], [publisher not identified], [1984]
    Holding Institution: Bureau of Land Management
  1. By: Buchanan, Joseph B. - Irwin, Larry L. (Larry Lynn) - Mccutchen, E L
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 1--7
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Buchanan, Joseph B. - Fleming, Tracy L. - Irwin, Larry L. (Larry Lynn)
    Type: Article
    In: The journal of raptor research
    Volume: 38
    Issue: 3
    Date: 2004
    Page Range: 231--237
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Irwin, Larry L. (Larry Lynn) - Peek, James M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 4
    Date: 1983
    Page Range: 443--447
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Irwin, Larry L. (Larry Lynn)
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 2
    Date: 1985
    Page Range: 240--245
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Irwin, Larry L. (Larry Lynn) - Rock, D F - Miller, G P
    Type: Article
    In: The journal of raptor research
    Volume: 34
    Issue: 3
    Date: 2000
    Page Range: 175--186
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-