The Hoover dam was built between the years of 1931-1936
The Three Gorges Dam began generating electricity in June 2003. The generating plant should be finished in 2009.
The Hirakud Dam is the World's largest earthen dam. it is built across the Manhanadi River in India.
hydroelectric dam (dam that produces electricity using the water it holds back)
It is a Solid or a Frame structure.