Subject
- Absorption1
- Agricultural laborers -- Economic aspects -- Oregon1
- Alien labor -- Economic aspects -- Oregon1
- Animal ecology1
- Copper ores -- Chile1
- Douglas fir1
- Eucalyptus -- Oregon, Western1
- Forests and forestry -- Northwest, Pacific1
- High school teachers -- In-service training -- Oregon1
- Hydrothermal deposits -- California -- Lassen Peak1
- Ocean currents -- North Pacific Ocean1
- Ore deposits -- California -- Lassen Peak1
- Outdoor recreation -- Oregon -- Deschutes National Forest1
- Pesticides -- Environmental aspects -- Measurement1
- Pesticides and wildlife1
- Photochemistry1
- Phytopathogenic fungi -- Host plants1
- Porphyry -- Chile1
- Reading1
- Starker lectures1