Subject
- Fishery management -- Oregon -- Statistics18
- Fishing -- Oregon -- Statistics18
- Fish-culture -- Oregon -- Statistics17
- Forests and forestry -- Northwest, Pacific14
- Forests and forestry -- Research -- Northwest, Pacific11
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)11
- Forest influences8
- Game and game-birds -- Oregon8
- Game protection -- Oregon8
- Greenhouse gases -- Forecasting8
- Highway research -- Congresses7
- Natural resources -- Oregon7
- Oregon -- Climate7
- Wildlife management -- Oregon7
- Forest ecology -- West (U.S.)6
- Road construction -- Congresses6
- Columbia Basin Agricultural Research Center -- Periodicals5
- Columbia River5
- Douglas fir5
- Forest management -- Oregon5