Summit Natural Gas of Missouri Inc. has worked hard to maintain our rates while bringing natural gasâa cleaner, lower cost energy sourceâto you and your region. In order to continue to provide you with the [...]
Hoover Dam. Hoover Dam, formerly called Boulder Dam, dam in Black Canyon on the Colorado River, at the Arizona-Nevada border, U.S. Constructed between 1930 and 1936, it is the highest concrete arch dam in the United States. It impounds Lake Mead, which extends for 115 miles (185 km) upstream and is one of the largest manmade lakes in the world.
The Hoover Dam and the bypass bridge (HDBPB) are world renown for their architectural beauty and engineering excellence. The top of the dam is located in a deep gorge and is 720 feet above the Colorado River. The bridge, is located 1500 feet downstream from the dam and is 200 feet higher.