Subject
- Game and game-birds -- Oregon129
- Game protection -- Oregon128
- Wildlife management -- Oregon117
- Forests and forestry -- Oregon116
- Fisheries -- Oregon115
- Fishing -- Oregon105
- Hunting -- Oregon105
- Oregon State University. College of Forestry67
- Forests and forestry -- Northwest, Pacific63
- Forests and forestry -- Research -- Oregon61
- Reforestation -- Oregon58
- Forests and forestry -- Washington (State)42
- Forests and forestry -- Washington (State) -- Statistics40
- Forest surveys -- Washington (State)37
- Forest surveys -- Oregon35
- Forests and forestry -- Oregon -- Statistics35
- 4-H clubs27
- Greenhouse gases -- Forecasting27
- Forests and forestry -- Research -- Northwest, Pacific26
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)23