This Nevada tunnel traps 130-degree steam where dam workers hit geothermal water in 1935
The Colorado River runs 53 degrees year-round through Black Canyon. Most kayakers paddle past a concrete spillway on the Nevada side without stopping. Behind it, steam rises from a pitch-black tunnel that shouldn’t exist. In 1935, Hoover Dam workers drilled 50 feet into canyon wall and hit 120-degree geothermal water. They abandoned the project. Nature … Lire plus









