"RichToyBox" wrote in message
...
Denison, not Dennison. (Birthplace of Dwight David Eisenhour) Completed
in late 40's with surveying of the turbine house in '45 or '46. National
Parks Service had a recreational park, similar to Lake Mead, until 1948.
First overflow of the dam, about 1963. There has been another earthen
dam, not sure where, that exceeded the size.

The Three Gorges dam in China? Not sure if that's a concrete or earth dam,
but insanely huge.

-S