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Fish survival Archive

  • Story by Brad Trumbo To improve the effectiveness of spillway operations for fish passage, Walla Walla District biologists and engineers came together to design and install spillway weirs at the District’s lower Snake River and McNary dams. The District’s first […]

    Spillway Weirs help increase fish survival

    Story by Brad Trumbo To improve the effectiveness of spillway operations for fish passage, Walla Walla District biologists and engineers came together to design and install spillway weirs at the District’s lower Snake River and McNary dams. The District’s first […]

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