Western Spruce Budworm Management in Northeastern Oregon United States. Forest Service. Pacific Northwest Region Published: 1984 Total Pages: Get eBook
Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-fir in Eastern Oregon Valentine M. Carolin Published: 1972 Total Pages: 44 Get eBook
Historical Patterns of Western Spruce Budworm and Douglas-fir Tussock Moth Outbreaks in the Northern Blue Mountains, Oregon, Since A.D. 1700 Published: 1995 Total Pages: 38 Get eBook
A Pilot Experiment of Forest Fertilization During an Outbreak of the Western Spruce Budworm in Northeastern Oregon Richard R. Mason Published: 1998 Total Pages: 32 Get eBook
Larval Densities and Trends of Insect Species Associated with Spruce Budworms in Buds and Shoots in Oregon and Washington Valentine M. Carolin Published: 1980 Total Pages: 24 Get eBook
Record of Decision for Management of Western Spruce Budworm in Oregon and Washington Published: 1989 Total Pages: 16 Get eBook
