Subject
- Fisheries -- Oregon235
- Game and game-birds -- Oregon233
- Game protection -- Oregon231
- Wildlife management -- Oregon161
- Fishing -- Oregon148
- Hunting -- Oregon148
- Forests and forestry -- Northwest, Pacific53
- Oregon State University. College of Forestry38
- Fisheries -- Economic aspects -- Congresses35
- Forests and forestry -- Oregon32
- Forests and forestry -- Research -- Oregon32
- Hatfield Marine Science Center27
- Fish culture -- Oregon26
- Fisheries -- Columbia River -- Periodicals25
- Gillnetting -- Columbia River -- Periodicals25
- Oregon State University. College of Agriculture Science -- Periodicals24
- Sage grouse -- Conservation24
- Greenhouse gases -- Forecasting23
- Forests and forestry -- Research -- Northwest, Pacific22
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)22