Subject
- Fishes -- Oregon30
- Fisheries -- Oregon25
- Fish culture -- Oregon18
- Fishes -- Diseases14
- Fishes -- Physiology13
- Fish surveys -- Oregon11
- Salmon11
- U.S. International Biological Program. Coniferous Forest Biome11
- Fishes -- Spawning -- Oregon10
- Fishes -- Virus diseases10
- Salmon -- Spawning -- Oregon10
- Fishes -- Habitat -- Conservation -- Oregon8
- Fish populations -- Oregon7
- Fishes -- Effect of water pollution on7
- Fishes -- Parasites7
- Fishes -- Prices7
- Fish populations -- Oregon -- Pacific Coast6
- Fisheries6
- Fishes -- Food6
- Fishes -- Habitat -- Oregon6