Subject
- Bird populations -- Oregon -- Lincoln County4
- Ornithology -- Oregon -- Lincoln County2
- Water birds -- Oregon -- Lincoln County2
- Water birds -- Oregon -- Lincoln County -- Identification2
- Bird populations -- Oregon1
- Bird populations -- Oregon -- Saddle Bag Mountain1
- Bird populations -- Oregon -- Valsetz Lake1
- Bird populations -- Oregon -- William L. Finley National Wildlife Refuge (Or.)1
- Birds -- Nomenclature1
- Birds of prey -- Oregon -- William L. Finley National Wildlife Refuge (Or.)1
- Great blue heron -- Oregon -- Willamette River Watershed1
- Harlequin duck -- Oregon -- Lincoln County1
- Plants -- Nomenclature1
- Radioactive dating1
- Water birds -- Oregon -- Valsetz Lake1
- Water birds -- Oregon -- William L. Finley National Wildlife Refuge (Or.)1
- William L. Finley National Wildlife Refuge (Or.)1