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Creator
- Oregonian (Firm) 3
- Berkeley Daily Gazette (Berkeley, Cal.) 1
- News-Telegram (Portland, Or.) 1
- Oregon Journal (Firm) 1
- Santa Barbara News-Press 1
Topic
- Wildlife management 3
- Wildlife refuges 2
- Birds--Conservation 1
- Birds--Conservation--Law and legislation 1
- Lectures and lecturing 1
- Parks 1
- Water--Pollution 1
- Waterfowl 1
Region
- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 2
- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 2
- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 1
- Tule Lake National Wildlife Refuge >> Siskiyou County >> California >> United States 1
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 1