Sequential plan for western budworm egg mass surveys in the central and southern Rocky Mountains
By: M.E. McNight ... [et al.].
Contributors: McKnight, M. E.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 174.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1970
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Western spruce budworm -- Eggs -- Rocky Mountains; Douglas fir -- Diseases and pests -- Rocky Mountains; Defoliation -- Rocky Mountains
Notes: Caption title.

Includes bibliographical references (p. 8).