Subject
- Sage grouse -- Conservation36
- Sage grouse -- Habitat21
- Greater sage-grouse14
- Estuary inventory report10
- Sage grouse -- Habitat -- Oregon9
- Sagebrush steppe ecology8
- Oregon. Natural Area Preserves Advisory Committee7
- Sage grouse7
- Coho salmon -- Oregon6
- Forest management -- Oregon6
- Umpqua River Estuary (Or.)6
- Water resources development -- Oregon6
- Conservation5
- Fishery conservation -- Oregon5
- Lek counts5
- Natural areas – Oregon5
- Natural resources -- Oregon5
- Nature conservation – Oregon5
- Sagebrush5
- Coastal ecology -- Oregon (State) -- Periodicals4