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  1. By: Pritchett, C L - Alfonzo, James M.
    Type: Article
    In: The journal of raptor research
    Volume: 22
    Issue: 3
    Date: 1988
    Page Range: 89--89
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Atwood, N. Duane (Nephi Duane) - Pritchett, C L - Porter, R D - Wood, B W
    Type: Article
    In: The Great Basin naturalist
    Volume: 40
    Date: 1980
    Page Range: 303--350
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,