1992 Umatilla and Wallowa-Whitman National Forests Western Spruce Budworm Suppression project
Subtitle: La Grande and Walla Walla Ranger Districts
By: James S. Hadfield
Contributors: United States. Forest Pest Management
Publisher: USDA Forest Service, Forest Pest Management
Published: 1993
Place of publication: Portland, Or
Language: eng
Number of pages: 12
Subjects: Western spruce budworm; Control
Other titles: La Grande and Walla Walla Ranger Districts; Forest pest management