- Oregon, Oregon, United States, (Administrative Boundary)2
- Alsea River, Oregon, United States, (Hydrographic)1
- Baker, Oregon, United States, (Administrative Boundary)1
- Benton, Oregon, United States, (Administrative Boundary)1
- Clackamas, Oregon, United States, (Administrative Boundary)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Idaho, Idaho, United States, (Administrative Boundary)1
- Necanicum River Estuary, Oregon, United States, (Hydrographic)1
- Necanicum River, Oregon, United States, (Hydrographic)1
- Netarts Bay Estuary, Oregon, United States, (Hydrographic)1
- Sauvie Island, Oregon, United States, (Hypsographic)1
- South Fork Alsea River, Oregon, United States, (Hydrographic)1
- Tillamook Bay, Oregon, United States, (Hydrographic)1
- Willamette River, Oregon, United States, (Hydrographic)1
- Willamette Valley, Oregon, United States, (Hypsographic)1
- Wyoming, Wyoming, United States, (Administrative Boundary)1