Subject
- U.S. International Biological Program. Coniferous Forest Biome41
- Wildlife management -- Oregon14
- Fishing -- Oregon11
- Hunting -- Oregon11
- Fisheries -- Columbia River -- Periodicals10
- Gillnetting -- Columbia River -- Periodicals10
- Forest ecology -- West (U.S.)8
- Forests and forestry -- Northwest, Pacific8
- Vocational education8
- Douglas fir7
- Electrons -- Diffraction7
- Lane County (Or.) -- History7
- Soils -- Oregon7
- Oregon. Natural Area Preserves Advisory Committee6
- Fish-culture -- Oregon -- Statistics5
- Fishery management -- Oregon -- Statistics5
- Fishing -- Oregon -- Statistics5
- Forest ecology5
- Forests and forestry -- Research -- West (U.S.)5
- Game and game-birds -- Oregon5