Spruce budworm control in Oregon and Washington, 1949-1956
By: by John M. Whiteside.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher: Pacific Northwest Forest and Range Experiment Station
Published: 1956
Place of publication: Portland, Or
Language: eng
Number of pages: 23
Subjects: Spruce budworm -- Oregon.; Spruce budworm -- Washington (State)
Notes: "Paper presented before Symopsium on Chemical Control of Forest Insects by Aircraft of the Forest Entomology Section, Tenth International Congress of Entomology, Montreal, Canada, August 17-25, 1956."

Bibliography: p. 21-23.