Subject
- U.S. International Biological Program. Coniferous Forest Biome8
- Dissertations, Academic -- Oregon -- Bibliography5
- Engineering -- Research -- Oregon5
- Oceanography -- Research -- Bibliography5
- Oregon State University. School of Oceanography -- Bibliography5
- Agriculture4
- Agriculture -- Oregon4
- Electrons -- Diffraction4
- Forest products -- Research -- Oregon4
- Forests and forestry -- Research -- Oregon4
- Mineral industries -- Oregon4
- Natural gas -- Prospecting -- Oregon4
- Oregon State University. Forest Research Laboratory4
- Petroleum -- Prospecting -- Oregon4
- Radioactive pollution of water -- Columbia River4
- Radioecology -- Columbia River4
- Bark beetles3
- Columbia River Estuary (Or. and Wash.)3
- Dissertations, Academic -- United States -- Bibliography3
- Family life education3