1987 western spruce budworm spray project
Subtitle: Malheur and Wenatchee National Forests
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1987
Place of publication: Portland, Or.?]
Language: eng
Subjects: Western spruce budworm; Control; Aerial spraying and dusting in forestry
Other titles: Western spruce budworm spray project; Western spruce budworm 1987 operations manual
Notes: Caption title.