- Oregon, Oregon, United States, (Administrative Boundary)5
- Eastern Oregon, Oregon, United States, (Area)4
- Willamette Valley, Multnomah County, Oregon, United States3
- Wyoming, Wyoming, United States, (Administrative Boundary)3
- Carbon, Wyoming, United States, (Administrative Boundary)2
- Puget Sound, Kitsap County, Washington, United States2
- Alsea River, Oregon, United States, (Hydrographic)1
- China1
- Ebey's Landing National Historical Reserve, Island County, Washington, United States1
- Great Basin, , United States, (Hypsographic)1
- H J Andrews Experimental Forest Headquarters, Lane County, Oregon, United States1
- Hatfield Marine Science Center - Oregon State University, Oregon, United States, (Spot)1
- Methow River, Washington, United States, (Hydrographic)1
- Montana, Montana, United States, (Administrative Boundary)1
- Mount Rainier National Park (MRNP), Pierce County, Washington, United States1
- Necanicum River Estuary, Oregon, United States, (Hydrographic)1
- North Pacific Ocean1
- Oregon, United States1
- Pacific Northwest, United States1
- San Juan Island National Historical Park, San Juan County, Washington, United States1