Subject
- Game and game-birds -- Oregon4
- Game protection -- Oregon4
- Herbicides4
- Agricultural pests -- Control -- Congresses3
- Agricultural experiment stations -- Research -- Oregon -- Jackson County2
- Agriculture -- Oregon -- Jackson County -- Field experiments2
- Computer programs2
- Diatoms -- Oregon -- Yaquina River Estuary2
- Douglas fir2
- Entomology2
- Fission products -- Decay2
- H.J. Andrews Experimental Forest (Or.)2
- Heat -- Transmission2
- Pear2
- Radioactive pollution of water -- Columbia River2
- Radioecology -- Columbia River2
- Soil moisture2
- Wheat -- Research2
- Wildlife management -- Oregon2
- Abortion -- Oregon -- Alsea1