Subject
- Columbia River4
- Conifers -- West (U.S.) -- Environmental aspects4
- Dissertations, Academic -- United States -- Bibliography4
- Douglas fir4
- Forests and forestry -- Oregon -- Measurement -- Mathematical models4
- Forests and forestry -- United States -- Bibliography4
- Game and game-birds -- Oregon4
- Game protection -- Oregon4
- Metallurgy -- Oregon4
- Stream ecology -- Mathematical models4
- Trees -- Oregon -- Measurement4
- Alsea River Watershed (Or.)3
- Aquatic ecology3
- Buckling (Mechanics) -- Mathematical models3
- Cellulose3
- Chemical oceanography -- North Pacific Ocean3
- Chemical oceanography -- Oregon -- Pacific Coast3
- Conifers -- Diseases and pests -- Idaho3
- Crops -- Oregon -- Klamath County -- Field experiments3
- Douglas fir -- Physiology3