Engraver beetles in Alaska forests
By: by Edward H. Holsten and Richard A. Werner ; prepared by Forest Service, Pacific Northwest Research Station.
Contributors: Werner, Richard A. 1936-; Pacific Northwest Research Station (Portland, Or.)
Publisher: U.S. Dept. of Agriculture
Published: 1987
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Bark beetles -- Alaska.
Notes: Shipping list no.: 87-661-P.