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
Caniçada Dam 31 MW (34 MVA) each in an underground powerhouse 134 m below the surface. The turbine rotation is 300 rpm. The minimum hydraulic head is 77 m, the maximum 121 m. Maximum flow per turbine is 34 m³/s. The turbines and generators were provided by Voith. Caniçada Dam The Caniçada Dam () is a concrete arch dam on the Cávado River, the civil parish of Parada do Bouro, in the municipality of Vieira do Minho, in the Portuguese Norte (district of Braga. It is owned by "Companhia Portuguesa de Produção de Electricidade" (CPPE). The dam was completed and began functioning