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    Water flows through John Day Dam fish ladder [Image 1 of 3]

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    The image shows a large hydroelectric dam with an adjacent fish ladder or fish passage facility in the foreground. The dam structure features multiple spillway gates along its face, with at least one gate actively discharging water. The fish ladder consists of a series of stepped concrete pools with baffles designed to allow fish to migrate upstream past the dam.

    JOHN DAY, OREGON, UNITED STATES

    09.27.2016

    Photo by Karim Delgado 

    U.S. Army Corps of Engineers, Portland District

    Water flows through a fish ladder at John Day Dam in eastern Oregon. Fish ladders are effective at allowing fish to swim upstream of low-head or shorter dams on the Columbia River. John Day’s ladder is 1,080 feet long. (U.S. Army photo by Karim Delgado)

    IMAGE INFO

    Date Taken: 09.27.2016
    Date Posted: 07.19.2021 12:07
    Photo ID: 6739170
    VIRIN: 160927-A-VN916-1002
    Resolution: 3795x2495
    Size: 2.99 MB
    Location: JOHN DAY, OREGON, US
    Web Views: 316
    Downloads: 12

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    This work, Water flows through John Day Dam fish ladder [Image 3 of 3], by Karim Delgado, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.

    GALLERY

    The image shows a large hydroelectric dam with an adjacent fish ladder or fish passage facility in the foreground. The dam structure features multiple spillway gates along its face, with at least one gate actively discharging water. The fish ladder consists of a series of stepped concrete pools with baffles designed to allow fish to migrate upstream past the dam.
    The image shows a large rock-fill embankment or dam face composed of dark angular basalt or volcanic rock fragments. A road with guardrails runs along the top of the structure, backed by a forested hillside with exposed rock cuts. The setting appears to be a mountainous region with coniferous trees under a partly cloudy sky.
    The image shows a large concrete dam releasing water through spillways into a river below, set within a forested mountain valley. A powerhouse or transformer station is visible on the left side of the dam face, with electrical infrastructure including power lines overhead. The surrounding landscape features dense coniferous and deciduous trees with autumn foliage coloring.

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    ASSOCIATED NEWS

    That sounds fishy: fish ladders at high-head dams impractical, largely unneeded

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    TAGS

    salmon
    Columbia River
    John Day Dam
    fish ladder
    fish

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