Marble Canyon Dam States Geological Survey, which designated sites for "an unbroken string of [hydroelectric] dams from the mountains of Colorado and Wyoming to the last canyons of the Colorado River along the California/Arizona border". Although the Bureau of Reclamation expressed interest at this time in developing hydroelectric generation at the Marble site, these plans were postponed in favor of building the Hoover Dam, which would provide a much greater storage capacity for irrigation and flood control. However, once Hoover was completed the Bureau once again set its sights on the Grand Canyon, which has the greatest hydroelectric potential of any canyon in
Colorado City, Nevada Colorado City, Nevada Colorado City is now a ghost town, in Clark County, Nevada, located under Lake Mohave at the mouth of El Dorado Canyon. Colorado City was a mining camp in the Colorado Mining District (New Mexico Territory) and a steamboat landing at the mouth of the El Dorado Canyon on the Colorado River, for shipments via steamboats of the Colorado River. Founded in 1861, Colorado City, was at first located in New Mexico Territory, until 1863, when it became part of Mohave County of Arizona Territory. In 1867 it became part of Lincoln County in the state of