Lake Superior
Lake Superior is the biggest. It has a volume of 2,900 cubic miles
Lake Superior is the largest of the Great Lakes. It's also the largest freshwater lake in the world. (The Caspian Sea is a saltwater lake.)
Lake Erie is the 4th largest of the great lakes.
Geographic Background of the Great Lakes of Michigan
An Interview with Great Lake Swimmers
Great Lakes Diving Tip
Visit Lake Erie in Pennsylvania