Course of the Colorado River Topock Marsh in Topock Gorge and widens into Lake Havasu, formed by Parker Dam. Lake Havasu provides recreation as well as the home of the retired U.K. London Bridge in Lake Havasu City, Arizona, now the New London Bridge. Near Parker Dam are the first two major diversions of the lower Colorado: the Colorado River Aqueduct, which travels west to Los Angeles and San Diego, California; and the Central Arizona Project, which sends water east towards Phoenix and Tucson, Arizona. The intermittent Bill Williams River joins the Colorado from the east in Lake Havasu, just above Parker Dam. The river
Salt Lake City Square downtown. One of the visions of Brigham Young and the early settlers was to create wide, spacious streets, which characterizes downtown. The grid pattern remains fairly intact in the city, except on the East Bench, where geography makes it impossible. The entire Salt Lake Valley is laid out on the same numbered grid system, although it becomes increasingly irregular further into the suburbs. Many streets carry both a name and a grid coordinate. Usually both can be used as an address. US-89 enters the city from the northwest and travels the length of the valley as State Street (with