Course of the Colorado River into the Virgin River, which ran southward through what is now Overton Arm to join the Colorado River near the now-ghost town of St. Thomas, Nevada. At Hoover Dam, the Colorado turns due south through Black Canyon, a direction it will follow for the remainder of its course to the Gulf of California. It passes under the Mike O'Callaghan–Pat Tillman Memorial Bridge (Hoover Dam Bypass), the highest concrete arch bridge in the world, carrying U.S. Route 93 at a height of above the Colorado River. At the end of Black Canyon the Colorado widens into Lake Mohave, created by the
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