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Topic
- Birds--Conservation 37
- Wildlife refuges 35
- Lectures and lecturing 17
- Rivers--Oregon 4
- Salmon 3
- Agriculture 2
- Conservation of natural resources 2
- Dams 2
- Fishing 2
- Hunting 2
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Work Type
- clippings (information artifacts) 37
- advertisements 5
- programs (documents) 5
- articles 1
- brochures 1
- contracts 1
- letters (correspondence) 1
- reports 1
- transcripts 1
Region
- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 19
- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 16
- Tule Lake National Wildlife Refuge >> Siskiyou County >> California >> United States 7
- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 4
- Columbia River >> Clatsop County >> Oregon >> United States 3
- Chicago >> Cook County >> Illinois >> United States 2
- Moose Hill Wildlife Sanctuary >> Norfolk County >> Massachusetts >> United States 2
- Portland >> Washington County >> Oregon >> United States 2
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 2
- Blitzen Valley >> Harney County >> Oregon >> United States 1
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