- Forest management -- Northwest, Pacific5
- Climatic changes -- Northwest, Pacific3
- Forest soils -- Northwest, Pacific3
- Water resources development -- Northwest, Pacific3
- Whites -- Race identity -- Northwest, Pacific3
- Agriculture -- Economic aspects -- Mathematical models2
- Biomass energy -- Environmental aspects -- Northwest, Pacific2
- Carbon cycle (Biogeochemistry) -- Northwest, Pacific2
- College students -- Northwest, Pacific -- Attitudes2
- Forest ecology -- Northwest, Pacific2
- Forest management -- Environmental aspects -- Northwest, Pacific2
- Multiculturalism -- Northwest, Pacific2
- Public opinion -- Northwest, Pacific2
- Regional planning -- Northwest, Pacific2
- Saprolegnia -- Northwest, Pacific2
- Seismology -- Northwest, Pacific2
- Soils -- Nitrogen content -- Northwest, Pacific2
- Wildlife conservation -- Northwest, Pacific2
- Academic achievement -- Northwest, Pacific -- Social aspects1
- Adolescence1