Subject
- Apples -- Diseases and pests -- Control -- Oregon, Western1
- Codling moth -- Control -- Oregon -- Umatilla County1
- Codling moth -- Control -- Oregon -- Willamette River Valley1
- Codling moth -- Control -- Oregon, Western1
- Gelechiidae -- Control -- Oregon -- Umatilla County1
- Prune -- Diseases and pests -- Control -- Oregon -- Umatilla1
- Pyralidae -- Control -- Oregon -- Umatilla County1