The battle against bark beetles in Crater Lake National Park, 1925-34
By: Boyd E. Wickman
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: General technical report PNW -- GTR-259; General technical report PNW -- 259
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1990
Place of publication: Portland, Or. (319 S.W. Pine St., Portland 97208)
Language: eng
Number of pages: 40
Subjects: Bark beetles -- Oregon -- Crater Lake National Park; Crater Lake National Park (Or.)
Notes: Cover title

Distributed to depository libraries in microfiche

"June 1990."

Includes bibliographical references