Field guide for the identification of snags and logs in the interior Columbia river basin /
Catherine G. Parks, Evelyn L. Bull, and Torolf R. Torgersen.

Description

Main Author: Parks, Catherine G.
Related Names: Torgersen, Torolf R.
Bull, Evelyn L.
Language(s): English
Published: Portland, OR : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1997]
Subjects: Animals > Animals / Habitations > Animals / Habitations / Columbia River Basin.
Wildlife habitat improvement > Wildlife habitat improvement / Columbia River Basin.
Tree cavities > Tree cavities / Columbia River Basin.
Cavity-nesting birds > Cavity-nesting birds / Habitations > Cavity-nesting birds / Habitations / Columbia River Basin.
Note: Companion to General Technical report, PNW-GTR-391.
"March 1997."
Physical Description: 40 page : illustrations (some color), map ; 22 cm.
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