Subject
- Estuaries -- Oregon13
- Clam fisheries -- Oregon6
- Clam fisheries -- Oregon -- Statistics5
- Clamming -- Oregon -- Statistics4
- Netarts Bay (Or.)3
- Bay clams -- Oregon2
- Coos Bay Estuary (Or.)2
- Marine biology -- Oregon -- Netarts Bay2
- Natural resources -- Oregon -- Netarts Bay2
- Shellfish fisheries -- Oregon -- Management2
- Umpqua River Watershed (Or.)2
- Yaquina Bay (Or.)2
- Alsea River Estuary (Or.)1
- Alsea River Watershed (Or.)1
- Bird populations -- Oregon -- Yaquina Estuary1
- Brant -- Habitat -- Oregon -- Yaquina Estuary1
- Brant -- Oregon -- Yaquina Estuary1
- Cascade Head (Or.)1
- Clam culture -- Oregon1
- Clam fisheries -- Oregon -- Management1