The most dangerous phase of Hoover Dam's construction was building the diversion tunnels, two on each side of the Colorado River. Blasting holes 56 feet in diameter, three-quarters of a mile ...

High Scalers drill into the canyon wall 500 feet above the Colorado River in Black Canyon at the Hoover Dam site ... reassigned a number of diversion tunnel workers to lower paying jobs.

What is the best way to visit the Hoover Dam? Take the back entrance. The Historic Railroad Tunnel Trail is more than just a ...

THE completion, just announced, of the great concrete structure originally known as the Boulder Dam, but afterwards officially designated the Hoover Dam ... valleys from overflow, water shortage ...

If you're planning things to do in Las Vegas, you may be considering a day trip to the Hoover Dam – the National ... to the power plant and the dam's tunnels. However, independent tour companies ...

Hoover Dam Powerplant: Located 530 feet below Black Canyon's surface, this power plant is where you'll find the dam's 17 generators, plus a tunnel drilled in the 1930s and a platform that sits on ...