DamNation

In the first half of the 20th century, Americans built dams all over the country to provide growing population potable water for homes, farms and communities. They were also a source of clean and sustainable hydroelectric power, a welcome alternative to fossil fuels. In 1935, the Hoover Dam, today, still a modern marvel of human engineering, began its operations. It...

from Top Documentary Films https://ift.tt/3qiugHn