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
Fonte River Dam Fonte River Dam The Fonte River Dam is a historic dam on the Fonte River on the island of Guam. It is located in the upper third of the river's main valley, which is located between Nimitz Hill and Agana Heights, and lies below and west of the scenic overlook on Nimitz Hill. The dam, built in 1910, was part of the first organized effort by the United States Navy to provide a reliable water supply to the island's major settlement, Hagåtña (formerly Agana). It is a concrete structure long, high, and has a base. It is almost complete obscured