Field guide for the identification of snags and logs in the interior Columbia river basin
By: Catherine G. Parks, Evelyn L. Bull, and Torolf R. Torgersen.
Contributors: Bull, Evelyn L.; Torgersen, Torolf R.
Series: General technical report PNW -- GTR 390.; General technical report PNW -- 390.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1997
Place of publication: Portland, OR
Language: eng
Number of pages: 40
Subjects: Cavity-nesting birbs -- Habitations -- Columbia River Basin.; Tree cavities -- Columbia River Basin.; Wild habitat improvement -- Columbia River Basin.; Animals -- Habitations -- Columbia River Basin.
Notes: "March 1997."

Companion to General Technical report, PNW-GTR-391.

Shipping List #: 98-0021-M.

Includes bibliographical references.

Also issued online.