Hoover Dam (above) at 726 feet is the highest dam in this hemisphere, shown on May 27, 1960, will be 25 years old tomorrow. The huge concrete wall blocks Black Canyon and the Colorado River.

When Hoover Dam and Lake Mead were finished ... it could reach a dead pool. Above, Lake Mead drying up in 2022. The white "bathtub ring" on... Many experts have warned that now, as Lake Mead's ...

The water elevation in Lake Mead is around 1,040 feet above sea level. At 950 feet, Hoover Dam will be at its lowest point to be able produce power, according to the US Bureau of Reclamation.

The Hoover Dam is one of the most famous pieces of civil ... The dam measures 726.4 ft in height above bedrock, the size of a 60-storey building. The base of the dam is 660ft thick, the size ...

A blown transformer was determined to be the cause of an explosion that led to a fire at the Hoover Dam on Tuesday morning. Above, the famous dam is pictured in 2009. A blown transformer was ...

Bored into the desert cliffs above Lake Mead lies a trail once vital to the building of Hoover Dam. The Historic Railroad Trail offers sweeping views, echoing tunnels, and a rare chance to walk ...

Hoover Dam is one of the tallest concrete dams in ... Most motorists traveling between Arizona and Nevada use a bypass bridge high above the dam that opened in 2010. The Bureau of Reclamation ...

A huge plume of black smoke swirled above the building ... It referred additional questions to the Bureau of Reclamation and Hoover Dam. At approx. 10 a.m. PDT, the A5 transformer at Hoover ...

Reports of an explosion Tuesday morning at Hoover Dam turned out to be a transformer ... A huge plume of black smoke swirled above the building in early videos. The city of Boulder City posted ...