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- Wildlife refuges 7
- Agriculture 3
- Birds--Conservation 3
- Bears 2
- Antelopes 1
- Brown bear 1
- California Oregon Power Company 1
- Feathers 1
- Hawks 1
- Hunting 1
- Lakes--California 1
- Lakes--Oregon 1
- Mountains--Oregon 1
- National parks and reserves 1
- Odontophoridae 1
- Oregon. State Board of Fish and Game Commissioners 1
- Owls 1
- United States. Bureau of Biological Survey 1
- United States. Bureau of Reclamation 1