State University. Cooperative Extension Service, Oregon, Washington State University. Cooperative Extension Service, University of Idaho. Cooperative Extension Service, Pacific Northwest Woodland Publications Committee, Pacific Northwest Cooperative Extension, and 1932- Newton. 1970. Planting Forest Trees In the Pacific Northwest. : [Corvallis, Or.] : Oregon State University Cooperative Extension Service ; [Pullman, Wash.] : Washington State University Cooperative Extension Service ; [Moscow, Idaho] : University of Idaho Cooperative Extension Service.