Owyhee Dam A project of the Bureau of Reclamation, they hired General Construction Company from Seattle to build the dam. Former Oregonian and then United States President Herbert Hoover dedicated what was the highest dam of its type in the world on July 17, 1932. Secretary of the Interior Ray Lyman Wilbur delivered Hoover's message at the dam. Owyhee's construction served as a prototype for the larger Hoover Dam on the Colorado River, including the use of refrigeration to cool the concrete. The dam cost $6,000,000, with the total reclamation project costing $18,000,000. Owyhee was designed by Frank A. Banks, who also
Lianghekou Dam complete in 2023. When the dam's reservoir fills, it will force the relocation of over 4,900 people. Lianghekou Dam The Lianghekou Dam ("meaning:" "mouth of two rivers") is a concrete-face rock-fill dam currently under construction on the Yalong River in Yajiang County, Sichuan Province, China. The dam is located at the confluence of the Yalong, Xianshui and Qingda Rivers. The tall dam will be the highest embankment dam in the country and support a 3,000 MW power station. Studies for the dam were completed between 2005 and 2009 with preliminary construction beginning that year. Major works on the dam officially