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| This is that 5 stage ship lock. The Pelton dam in central Oregon has the world's longest fish ladder, that sorta tried to do the same thing for fish that this does for ships, namely get them from the bottom of the dam to the top and vice versa. | |
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| This is that 5 stage ship lock. The Pelton dam in central Oregon has the world's longest fish ladder, that sorta tried to do the same thing for fish that this does for ships, namely get them from the bottom of the dam to the top and vice versa. | |