Subject
- Forests and forestry -- Oregon109
- Forests and forestry -- Research -- Oregon89
- Oregon State University. College of Forestry86
- Reforestation -- Oregon68
- Forest influences59
- Oregon -- Climate59
- Wood poles -- Preservation29
- Forests and forestry27
- Wood poles -- Maintenance and repair27
- Wood poles -- Fumigation24
- Douglas fir19
- Forest products -- Research -- Oregon19
- Oregon State University. Forest Research Laboratory19
- Starker lectures17
- Contributions in education and outreach12
- Forest management -- Research -- Oregon12
- Herbicides -- Research -- Oregon12
- Reforestation -- California, Northern11
- Forest management8
- Forests and forestry -- Measurement8