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Creator
- Oregon Journal (Firm) 3
- Oregonian (Firm) 3
- News-Telegram (Portland, Or.) 1
- Portland Chamber of Commerce (Or.) 1
Region
- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 3
- Tule Lake National Wildlife Refuge >> Siskiyou County >> California >> United States 3
- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 2
- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 2
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 2
Institution
- Oregon State University 3