Differential effects of the 1944-56 spruce budworm outbreak in eastern Oregon
By: by Carroll B. Williams, Jr.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper PNW -- 33.; U.S. Forest Service research paper PNW -- 33.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1966
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 16
Subjects: Spruce budworm -- Oregon; Trees -- Diseases and pests -- Oregon
Notes: Cover title.

Bibliography: p. 16.