Subject
- Wetlands -- Oregon76
- Sea level -- Oregon75
- Wetland mapping -- Oregon74
- Coast changes -- Social aspects73
- Human beings -- Effect of environment on73
- Estuaries -- Oregon52
- Douglas fir34
- Greenhouse gases -- Forecasting27
- Climatic changes -- Pacific Ocean18
- Forests and forestry -- Measurement16
- Willamette River Valley (Or.)16
- Forests and forestry -- Oregon14
- Lumber -- Drying13
- Conservation12
- Native species12
- Ocean currents -- Pacific Ocean11
- Habitat restoration10
- Home economics -- Study and teaching10
- Hydrographic surveying -- California -- Pacific Coast10
- Native prairie10