U.S. Route 93 in Nevada portion of abandoned railroad right-of-way. A shopping center now sits where the original truck bypass alignment once ran. US 93 was realigned again on October 19, 2010, when the Mike O'Callaghan – Pat Tillman Memorial Bridge over the Black Canyon of the Colorado River opened to vehicular traffic. With that, the highway no longer passes over Hoover Dam, and the state-maintained portion of the replaced route was renamed as Hoover Dam Access Road (SR 172). In 2011, US 93 from Buchanan Boulevard to the Nevada terminus of the Hoover Dam Bypass was expanded to four through lanes with dedicated turn
Steamboats of the Colorado River California, about 40 miles north of Goffs station, on the Santa Fé Railway. A mining camp, Vanderbilt was established nearby Vanderbilt Spring. The discovery of additional gold-rich veins in the fall of 1892 set off a rush to the area. A few months later gold was found at what became the placer mining camp of Murphyville, on the Arizona side of the river just twelve miles below Eldorado Canyon. Also in 1892, another gold boom occurred twenty miles east of Eldorado Canyon at White Hills in the White Hills, in Arizona Territory. Gold mines were revived in the Picacho District