Click on the brown dam symbols or the green trap symbols to access a list
of data available for each project.
View interactive maps of Oregon, Washington
and Idaho showing major dams, hatcheries and HUC (Hydrologic Unit Codes)
Dams can also be accessed by name: Bonneville,
Traps: Clearwater River, Grande
Ronde River, Imnaha River, Snake
River (Lewiston), and Salmon River
(Whitebird) fish traps.
If you have trouble finding what you are looking for try our SiteMap.
Page last updated on:
February 20, 2020
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