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
Shuibuya Dam Shuibuya Dam The Shuibuya Dam is a concrete-face rock-fill embankment dam on the Qingjiang River in Badong County, Enshi, Hubei Province, China. The purpose of the dam is mainly hydroelectricity but it also promotes flood control, navigation, tourism and fishery. At tall and containing of material, it is the tallest concrete face rock-fill dam in the world. Construction on the Shuibuya Dam was authorized in January 2002 and began soon thereafter. By October 2002, the Qingjiang River had been diverted. On August 12, 2006, the dam reached its maximum height of and by July 2007, its first hydroelectricity generator was