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
Sinanjiang Dam Sinanjiang Dam The Sinanjiang Dam is a concrete-face rock-fill dam on the Sinan River, a tributary of the Lixian River, in Mojiang Hani Autonomous County of Yunnan Province, China. The primary purpose of the dam is hydroelectric power production and it supports a 201 MW power station. Construction began in October 2003 and the river was diverted around the dam site on 5 February 2005. All three generators were commissioned in 2008. To produce power, water from the reservoir is diverted around a bend in the river through a long headrace tunnel which connects to the power station via a