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Lake Superior, Magnificent Lady
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Lake Superior, Magnificent Lady

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Transcript

  • 1. Lake Superior
  • 2. The Ojibwe Indians named the lake Gichigami, meaning "big water."
  • 3. In Lonfellow’s poem, The Song of Hiawatha, he speaks of “ … ..the shores of Gitche Gumee, of the shining Big-Sea-Water……”
  • 4.  
  • 5. The surface area of Lake Superior is 31,700 square miles. That is greater than the combined areas of Vermont, Massachusetts, Rhode Island, Connecticut and New Hampshire.
  • 6. There are over 300 rivers and streams which empty into Lake Superior
  • 7. Some of the world’s oldest rocks, about 2.7 billion years of age, can be found on the Ontario shore of Lake Superior.
  • 8. Lake Superior contains 3,000,000,000,000,000 (3 quadrillion) gallons of water – enough to flood all of North America and South America with a foot of water.
  • 9. The lake contains 10% of all the earth’s fresh surface water.
  • 10. The average annual water temp. is 40 °F (4.4 °C). It rarely freezes over completely and when it does, it only lasts for a few hours. The last complete freeze occurred in 1979.
  • 11. The underwater visibility of Lake Superior is 27 feet, making it easily the cleanest and clearest of the Great Lakes.
  • 12. In some places, underwater visibility reaches 100 feet
  • 13. Waves on Lake Superior have been known to reach 30’ in height.
  • 14. Storms that claimed multiple ships include the Mataafa Storm on Nov. 28, 1905, and the Great Lakes Storm of 1913.
  • 15. When European explorers visited Lake Superior in the 1600s, they reported giant sturgeons (up to nine feet in length) and pike of greater than seven feet in length.
  • 16. Lake Superior rests mostly on Precambrian rock at the Southern edge of the Canadian shield, the largest exposure of such bedrock on the planet.
  • 17. Pictured Rocks National Lake Shore, in Michigan's Upper Peninsula
  • 18.  
  • 19. Bridal Veil Falls Chapel Rock Indian Head Rock
  • 20. Split Rock, the Beacon of Gitche Gumee, was made following the wreck of the Edmund Fitzgerald
  • 21. Miners Castle Mosquito Falls Sable Falls
  • 22. Lake Superior for fishing, hiking, canoeing, kayaking, camping, wildlife …
  • 23. Lake Superior is one of the earth’s youngest major features, at only about 10,000 years of age. By comparison, the earth’s second largest lake (by surface area) is Lake Baikal in Russia and it is 25 million years old.
  • 24. The shoreline of Lake Superior, if straightened out, would stretch from Duluth MN, to the Bahama Islands.
  • 25.  
  • 26. The Northern Lights (Aurora Borealis)
  • 27.  
  • 28.