Subject
- Alfalfa -- Diseases and pests -- Northwest, Pacific1
- Bark beetles -- Oregon1
- Fishing -- Oregon1
- Forest management -- Mathematical models1
- Forests and forestry -- Economic aspects1
- Hunting -- Oregon1
- Lodgepole pine -- Insect resistance -- Oregon1
- Logging -- Mathematical models1
- Logging, Skyline1
- Verticillium wilt diseases1
- Wildlife management -- Oregon1