Subject
- Contributions in education and outreach11
- Forests and forestry -- Research -- Oregon11
- Forests and forestry -- Oregon9
- Forests and forestry8
- Forests and forestry -- Oregon -- Measurement6
- Herbicides -- Oregon6
- Douglas fir4
- Forests and forestry -- Measurement4
- Forest management -- Oregon3
- Forests and forestry -- Oregon -- Measurement -- Mathematical models3
- Herbicides -- Washington (State)3
- Trees -- Oregon -- Measurement3
- Brush -- Control -- Oregon2
- Forests and forestry -- Measurement -- Bibliography2
- Forests and forestry -- Northwest, Pacific -- Bibliography2
- Programmable calculators2
- Shrubs -- Control -- Oregon2
- Trees -- Oregon -- Growth -- Mathematical models2
- Wood -- Preservation2
- Abies grandis1