- Puget Sound, Kitsap County, Washington, United States2
- Carbon, Wyoming, United States, (Administrative Boundary)1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- H J Andrews Experimental Forest Headquarters, Lane County, Oregon, United States1
- H J Andrews Experimental Forest, Oregon, United States, (Vegetation)1
- John Day Fossil Beds National Monument, Oregon, United States, (Area)1
- Oregon, Oregon, United States, (Administrative Boundary)1
- San Juan Island National Historical Park, San Juan County, Washington, United States1
- Walla Walla River, Washington, United States, (Hydrographic)1
- Whidbey Island, Island County, Washington, United States1
- William L Finley National Wildlife Refuge, Oregon, United States, (Area)1