They are man-made.
* 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).
The Colorado river is not man made, but a reservoir on the river named Lake Powell is.
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.
How about Williston Rreservoir in north central British Columbia Canada. Surface area of 684.6 square miles.?
Lake Mead is the largest, followed by Lake Powell.
The Colorado River includes Lake Powell and Lake Mead.
Man made
Yes, it is a man made lake
The answer is C. Lake Powell
Payette lake is a natural lake and not a man made lake.
There are natural lakes like Grand Lake and man made lakes like Powell and Mead.