Subject
- 4-ethylphenol1
- Abandoned mined lands reclamation -- Social aspects -- Oregon -- Willamette River Valley1
- Abandoned mined lands reclamation -- West (U.S.)1
- Abies magnifica -- California -- Mortality1
- Abies magnifica -- Climatic factors -- California1
- Abies magnifica -- Diseases and pests -- California1
- Abies magnifica -- Losses -- California1
- Academic achievement2
- Academic achievement -- Forecasting1
- Academic achievement -- Oregon -- Corvallis1
- Accelerometers4
- Accelerometers -- Data processing2
- Acculturation -- United States1
- Acoustic localization1
- Acoustic surface wave devices1
- Acoustic velocity meters1
- Action potentials (Electrophysiology)1
- Active learning2
- Active learning -- Northwest, Pacific1
- Active oxygen -- Physiological effect1