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.
Why is the Hoover Dam named after Herbert Hoover? Answer this questionâ¦ It was originally known as Boulder Dam, but was renamed in 1947 in honor of Herbert Hoover, who as U.S. secretary of commerce and the 31s â¦ t U.S. president proved instrumental in getting the dam built.