Subject
- Fisheries -- Oregon165
- Game and game-birds -- Oregon160
- Game protection -- Oregon159
- Wildlife management -- Oregon84
- Oregon State University -- Curricula77
- Fishing -- Oregon71
- Hunting -- Oregon71
- Forests and forestry -- Northwest, Pacific39
- Fish culture -- Oregon22
- Forests and forestry -- Oregon22
- Oregon State University. College of Forestry21
- Fish-culture -- Oregon -- Statistics17
- Fishery management -- Oregon -- Statistics17
- United States. Forest Service. Pacific Northwest Region17
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club17
- Fisheries -- Columbia River -- Periodicals16
- Fishing -- Oregon -- Statistics16
- Forests and forestry -- Research -- Northwest, Pacific16
- Gillnetting -- Columbia River -- Periodicals16
- Pacific Northwest Forest and Range Experiment Station (Portland, Or.)16