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Creator
- Oregonian (Firm) 21
- Oregon Journal (Firm) 10
- Burns Times-Herald 3
- Finley, William L. (William Lovell), 1876-1953 3
- Averill, Edgar F., 1881-1955 2
- Portland Chamber of Commerce (Or.) 2
- Detroit Institute of Arts 1
- East Side Commercial Club (Portland, Or.) 1
- Facts (Redlands, Calif.) 1
- Massachusetts Audubon Society 1
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Topic
- Wildlife refuges 21
- Birds--Conservation 16
- Lectures and lecturing 8
- Rivers--Oregon 4
- Salmon 3
- Dams 2
- Water--Pollution 2
- Conservation of natural resources 1
- Fishing 1
- Lumber trade 1
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Region
- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 16
- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 7
- Tule Lake National Wildlife Refuge >> Siskiyou County >> California >> United States 4
- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 3
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Portland >> Washington County >> Oregon >> United States 2
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 2
- Detroit >> Wayne County >> Michigan >> United States 1
- Moose Hill Wildlife Sanctuary >> Norfolk County >> Massachusetts >> United States 1
- P Ranch >> Harney County >> Oregon >> United States 1
Decade
- 1930-1939 21
