- Animals -- Effect of forest management on -- Northwest, Pacific -- Bibliography1
- Animals -- Effect of forest management on -- Oregon -- Bibliography1
- Animals -- Effect of logging on -- Northwest, Pacific -- Bibliography1
- Animals -- Effect of logging on -- Oregon -- Bibliography1
- Aquatic resources conservation -- Pacific States1
- Architecture -- Northwest, Pacific -- History1
- Arthropoda -- Ecology -- Northwest, Pacific1
- Best management practices (Pollution prevention) -- Northwest, Pacific1
- Biogeochemical cycles -- Northwest, Pacific1
- Biomass energy -- Climatic factors -- Northwest, Pacific1
- Biomass energy -- Environmental aspects -- Northwest, Pacific2
- Birds -- Habitat -- Northwest, Pacific1
- Bulletin (United States. Division of Entomology)1
- Buprestidae -- Northwest, Pacific1
- Burl -- Northwest, Pacific1
- Carbon cycle (Biogeochemistry) -- Northwest, Pacific4
- Carbon dioxide sinks -- Northwest, Pacific1
- Civilian Conservation Corps (U.S.) -- History -- Bibliography1
- Climate Change -- United States.1
- Coarse woody debris -- Northwest, Pacific1