Spruce beetle in the Rockies
By: J.M. Schmid and R.H. Frye.
Contributors: Frye, Robert H.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.); United States. Forest Service.
Series: USDA Forest Service general technical report RM -- 49.; General technical report RM -- 49.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1977
Place of publication: [Fort Collins, Colo.]
Language: eng
Number of pages: 38
Subjects: Spruce bark beetles -- Rocky Mountains Region.; Spruce -- Diseases and pests -- Rocky Mountains Region.
Notes: "December 1977."

Bibliography: p. 34-38.