- Alsea River, Oregon, United States, (Hydrographic)2
- Oregon, Oregon, United States, (Administrative Boundary)2
- Baker, Oregon, United States, (Administrative Boundary)1
- Chetco River Estuary, Oregon, United States, (Hydrographic)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Corvallis, Oregon, United States, (Populated Place)1
- Grant, Oregon, United States, (Administrative Boundary)1
- Jefferson, Oregon, United States, (Administrative Boundary)1
- Methow River, Washington, United States, (Hydrographic)1
- Montana, Montana, United States, (Administrative Boundary)1
- Morrow, Oregon, United States, (Administrative Boundary)1
- Necanicum River Estuary, Oregon, United States, (Hydrographic)1
- Necanicum River, Oregon, United States, (Hydrographic)1
- Nestucca River Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay, Oregon, United States, (Hydrographic)1
- Oregon Coast, Oregon, United States, (Area)1