man-made lake
They are man-made.
Lake Mead
Lake Tahoe: Depth-1,645 ft Length- 22 mi (35 km) Shoreline-72 mi (116 km) Lake Mead: Depth-500 ft Length-112 miles (180 km) when the lake is full, Shoreline-550 miles (890 km) So Lake Mead is longer but Lake Tahoe is deeper.
* Grande Lake (natural). * Shadow Mountain Reservoir (man made). * Lake Granby (man made). * Lake Powell (man made). * Lake Meade (man made). * Lake Mohave (man made). * Lake Havesau (man made).
It's the man-made lake created by the construction of Hoover Dam.See the related Wikipedia link(s) listed below:
Construction was completed in 1936.
How about Williston Rreservoir in north central British Columbia Canada. Surface area of 684.6 square miles.?
Lake Mead is the largest reservoir in the United States
The Colorado River feeds Lake Mead.
The Colorado River includes Lake Powell and Lake Mead.
Lake Mead's area is 158,720 acres.