Subject
- Pocket gophers -- Control2
- Codling moth1
- Conifers -- Seedlings -- Diseases and pests -- Control -- Northwest, Pacific1
- Conifers -- Seedlings -- Protection -- Northwest, Pacific1
- Lice1
- Moles (Animals)1
- Pocket gophers1
- Pocket gophers -- Control -- Northwest, Pacific1
- Pocket gophers -- Control -- Oregon -- Willamette Valley1