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- Oregon State College. Department of Fish, Game, and Fur Animal Management 1
- Oregon State Planning Council 1
- Oregon. Advisory Research Council 1
- Oregon. Fish Commission 1
- Oregon. State Game Commission 1
- Pacific Northwest Regional Planning Commission 1
- Pelicans 1
- Rivers--Oregon 1
- Soil erosion 1
- Stream conservation 1
- United States. Bureau of Biological Survey 1
- United States. Resettlement Administration 1
- Washington State Planning Council 1
- Water--Pollution 1
- Wildlife conservation 1
- Wildlife refuges 1
- Wildlife research 1
