- Oregon, Oregon, United States, (Administrative Boundary)4
- Alsea River, Oregon, United States, (Hydrographic)2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Ashland, Oregon, United States, (Populated Place)1
- 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
- Eastern Oregon, Oregon, United States, (Area)1
- Fremont, Wyoming, United States, (Administrative Boundary)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