Lakes Superior, Michigan, Huron, Erie, and Ontario.
Glacial errosion
The Great Lakes are a natural feature.
Glacial Lakes State Park was created in 1963.
As glaciers slowly move under the influence of gravity, they erode the landscape , leaving deep basins and valleys. The largest glacial lakes are the Great Lakes
The Great Lakes are a natural feature.
water
There are three types of lake in New Zealand. In the North Island, the natural lakes are largely volcanic, and there are a number of man-made lakes used for electricity production. In the South Island, the natural lakes are mainly glacial created, and there are also a number of hydro electric lakes as well. A list of NZ lakes is kept by NIWA.cri.nz, and a similar list is in Wiki.
Glacial Erosion forms lakes and ponds in the land.
The Great Lakes
the great lakes?
none of the great lakes are man made all of them were made from nature