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    Field guide for the identification of snags and logs in the interior Columbia river basin by Parks, Catherine G.

    Published 1997
    Online Access
    Online Access
    Government Document Electronic eBook
  3. 3

    A field protocol to monitor cavity-nesting birds by Dudley, Jonathan G.

    Published 2003
    Online Access
    Government Document Electronic eBook
  4. 4

    Persistence of western hemlock and western redceder trees 38 years after girdling at Cat Island in southeast Alaska by Hennon, Paul E.

    Published 1991
    Government Document Microfilm Book
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    The relationship of secondary cavity nesters to snag densities in western coniferous forests / by Balda, Russell P.

    Published 1970
    Government Document Book
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    Use of snags by cavity-nesting birds in the Sierra Nevada / by Raphael, Martin G. (Martin George)

    Published 1984
    Book
  10. 10

    A mobile aviary design to allow the soft release of cavity nesting birds / by Franzreb, Kay

    Published 1997
    Connect to online resource
    Government Document Microfilm Book
  11. 11
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