| 2. |  | Pacific Northwest Stream Survey Photo Collection | This collection illustrates a portion of stream habitat surveys conducted by the United States Department of Commerce Bureau of Fisheries from Fall 1934 to 1945 for the entire Columbia River Basin. The complete study covered over 6200 kilometers and detailed conditions in the more than 390 streams that served as spawning and rearing habitat for spring Chinook Salmon.
This collection also contains reports, published by U. S. Fish and Wildlife Service, that summarized this data. | Canals; Dams; Rivers; Streams; Salmon spawning; Salmon habitats; Field and stream surveys; Columbia River Basin; Fishery management; Waterfalls; Oregon; Washington; Idaho |
