Subject
- Estuarine sediments -- Oregon -- Yaquina Bay4
- Marinas -- Environmental aspects -- Oregon -- Yaquina Bay4
- Yaquina Bay (Or.)4
- Yaquina River (Or.)3
- Bays -- Conservation -- Oregon -- Tillamook Bay1
- Benthos -- Oregon -- Coos Bay1
- Breakwaters -- Environmental aspects -- Oregon -- Yaquina Bay1
- Columbia River -- Navigation1
- Coos Bay (Or.)1
- Depoe Slough (Or.)1
- Dredging -- Environmental aspects -- Oregon -- Coos Bay1
- Dredging spoil -- Environmental aspects -- Oregon -- Yaquina Bay.1
- Dredging spoil -- Oregon -- Coos Bay1
- Environmental impact statements -- Oregon -- South Beach Marina1
- Estuarine sediments -- Oregon -- Coos Bay1
- Hills Creek Reservoir (Or.)1
- Inland navigation -- Columbia River1
- Marinas -- Environmental aspects -- Oregon -- South Beach Marina1
- Navigation -- Columbia River -- History1
- North Marina (Newport, Or.) -- Environmental aspects1