1977 western spruce budworm control project in north-central Washington State
By: by Jack Mounts ... [et al.].
Contributors: United States. Forest Service. Pacific Northwest Region
Publisher: USDA Forest Service, Region 6
Published: 1978
Place of publication: Portland, Or
Language: eng
Number of pages: 33
Subjects: Western spruce budworm; Control
Other titles: 1977 cooperative western spruce budworm control program
Notes: "July 1978."