Spruce beetles in blowdown
By: J.M. Schmid
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 411
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1981
Place of publication: [Fort Collins, Colo.]
Language: eng
Subjects: White pine weevil; Spruce -- Diseases and pests -- Rocky Mountains Region
Notes: Caption title

"August 1981."

Bibliography: p. 6