Ecology of the great grey owl
By: Evelyn L. Bull and Mark G. Henjum
Contributors: Henjum, Mark G; Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW -- 265
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1990
Place of publication: Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208)
Language: eng
Number of pages: 39
Subjects: Great gray owl -- Ecology
Notes: Cover title

Distributed to depository libraries in microfiche

"September 1990."

Includes bibliographical references (p. 37-38)