24-inch branch as a sample unit for egg mass surveys of the western budworm
By: M.E. McKnight.
Contributors: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 122.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1968
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Douglas fir -- Diseases and pests -- Rocky Mountains; Western spruce budworm -- Rocky Mountains
Other titles: Twenty-four-inch branch as a sample unit for egg mass surveys of the western budworm.
Notes: Caption title.

Includes bibliographical references.