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Mysteries of the Great Lakes

Lake Michigan

  • Is the only Great Lake that is located entirely within the United States.
  • Is bounded, from west to east, by the U.S. states of Wisconsin, Illinois, Indiana, and Michigan.
  • Is the largest freshwater lake in the US, and the largest lake entirely within one country by surface area, and the fifth largest lake in the world.
  • Has a surface area of 22,400 square miles.
  • Is 307 miles long by 118 miles wide with a shoreline 1,640 miles long.
  • Has an average depth of 279 feet, while its greatest depth is 923 feet.
  • Contains a volume of 1,180 cubic miles of water.
  • Provides drinking water for the 1.7 million residents of Chicago, Illinois—the second most-populated city in the United States.