Subject
- Apples -- Pruning1
- Cover crops1
- Cover crops -- Environmental aspects -- Oregon1
- Cover crops -- Oregon1
- Dungeness crab fisheries -- Government policy -- Oregon1
- Dungeness crab fisheries -- Oregon -- Management1
- Economic assistance, Domestic -- California, Northern1
- Economic assistance, Domestic -- Oregon1
- Economic assistance, Domestic -- Washington (State)1
- Grapes -- Herbicide injuries1
- Library buildings -- Oregon -- Corvallis -- Design and construction1
- Library buildings -- Remodeling -- Oregon -- Corvallis1
- Logging -- Economic aspects -- California, Northern1
- Logging -- Economic aspects -- Oregon1
- Logging -- Economic aspects -- Washington (State)1
- Lumbermen -- Employment -- California, Northern1
- Lumbermen -- Employment -- Oregon1
- Lumbermen -- Employment -- Washington (State)1
- Nitrates -- Environmental aspects -- Oregon1
- Nitrogen fertilizers -- Environmental aspects -- Oregon1