Lake Superior
Lake Superior has the largest surface area of any freshwater lake in
the world. It contains almost 3,000 cubic miles of water, an amount
that could fill all the other Great Lakes combined plus three
additional Lake Eries. Lake Superior is also is the coldest and
deepest (1,332 feet) of the Great Lakes, stretching approximately 350
miles from west to east, and 160 miles north to south, with a
shoreline nearly 2,800 miles long. The drainage basin, totaling 49,300
square miles, encompasses parts of Michigan, Minnesota, Wisconsin and
Ontario. This massive lake has a retention/replacement time period of
191 years.
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