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Siphons critical for moving water to farms

Siphons were a large part of the irrigation project enabled by the pumping plant at Grand Coulee Dam. Most of them were placed in locations where a simple canal would not be feasible, due to an extreme elevation change. Siphons near the main canal, such as this one of the East Low Canal, were about 22 feet in diameter. This October 10, 1948 view, is located near Adco, about 6 miles east of Soap La...


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