Subject
- Agriculture -- Research -- On-farm1
- Agriculture -- Research -- Oregon1
- Agriculture -- Research -- Washington (State)1
- Air -- Pollution -- Northwest Coast of North America1
- Apples -- Oregon -- Corvallis -- Growth1
- Apples -- Oregon -- Hood River -- Growth1
- Atmospheric aerosols -- Northwest Coast of North America1
- Atmospheric aerosols -- Transport properties -- Pacific Area1
- Chlorpyrifos -- Environmental aspects1
- Copper -- Environmental aspects1
- Ethnobotany -- Klamath River Valley (Or. and Calif.)1
- Farm management -- Oregon -- Case studies1
- Farm management -- Washington (State) -- Case studies1
- Fire management -- Klamath River Valley (Or. and Calif.)1
- High temperature superconductors -- Magnetic properties1
- Indigenous peoples -- Ecology -- Klamath River Valley (Or. and Calif.)1
- Karok Indians -- Klamath River Valley (Or. and Calif.) -- Interviews1
- Mutagenicity testing1
- Natural resources -- Management1
- Orchards -- Oregon -- Corvallis -- Management1