- Oregon, Oregon, United States, (Administrative Boundary)5
- Corvallis, Oregon, United States, (Populated Place)3
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)3
- Malheur, Oregon, United States, (Administrative Boundary)2
- Willamette River, Oregon, United States, (Hydrographic)2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)2
- Alsea Bay, Oregon, United States, (Hydrographic)1
- Arctic Ocean, , (Hydrographic)1
- Baja California, Baja California, Mexico, (Administrative Boundary)1
- Burial Lake, Alaska, United States, (Hydrographic)1
- California, California, United States, (Administrative Boundary)1
- Champoeg, Oregon, United States, (Populated Place)1
- City of Corvallis, Oregon, United States, (Administrative Boundary)1
- Colón, Colón, Panama, (Populated Place)1
- Crater Lake National Park, Oregon, United States, (Area)1
- Easter Island, Valparaíso, Chile, (Hypsographic)1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Fremont National Forest, Oregon, United States, (Vegetation)1
- Galapagos Islands, Galápagos, Ecuador, (Hypsographic)1