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
The Church of Jesus Christ of Latter-day Saints in Arizona Spring, Beaver Dam and neighboring Littlefield, and Lee's Ferry, all in the area between the Utah border and the Grand Canyon known as the Arizona Strip. The first effort at large-scale LDS colonization came in March 1873 when a group of Latter-day Saints was sent from Utah to the Little Colorado River drainage under the direction of Horton D. Height. The colonizers turned back, discouraged by the poor prospects, but a few returned the following year and began farming among the Native Americans at Moencopi. Local hostilities forced the colonists to leave again after a month. A year later, James