Pacific Northwest Stream Survey
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Topic
- Rivers--Washington (State) 243
- Dams 119
- Waterfalls 54
- Rivers 39
- Fish traps 37
- Fishways 36
- Salmon 20
- Chinook salmon 17
- Rivers--Oregon 17
- Fish stocking 13
- Canyons 11
- Spillways 8
- Steelhead (Fish) 7
- Chum salmon 6
- Canals 4
- Fish screens 4
- Weirs 4
- Hoisting machinery 3
- Rapids 3
- Spawning 3