Fwd: Fwd: SEE THE WORLD WITH PPR-- 56-----LAKE SUPERIOR

[Mohan Rao]

Why it's called Lake Superior ​--  Pretty amazing..... Did you realize  how big this lake is? LAKE SUPERIOR FACTS   �   Lake Superior contains ten percent of all the fresh  water on the planet Earth.   �  It covers 82,000 square kilometers or 31,700 square miles.   �  The average depth is 147 meters or 483 feet.   �  There have been about 350 shipwrecks recorded in Lake Superior �  Lake Superior is, by surface area, the largest lake in the world. � A Jesuit priest in 1668 named it Lac Tracy , but that name  was never officially adopted.   �  It contains as much water as all the other Great Lakes  combined, plus three extra Lake Erie 's!!   �  There is a small outflow from the lake at St. Mary's River  (Sault Ste Marie) into Lake Huron , but it takes almost  two centuries for the water to be completely replaced.   �  There is enough water in Lake Superior to cover all of North and  South America with water one foot deep.   �  Lake Superior was formed during the last glacial retreat, making it one of the earth's youngest major features at only about 10,000 years old.   �  The deepest point in the lake is 405 meters or 1,333 feet.   �  There are 78 different species of fish that call the big lake home.   �  The maximum wave ever recorded on Lake Superior was 9.45 meters  or 31 feet high.   �  If you stretched the shoreline of Lake Superior out to a straight  line, it would be long enough to reach from Duluth to the Bahamas .   �  Over 300 streams and rivers empty into Lake Superior with the  largest source being the Nipigon River   �  The average underwater visibility of Lake Superior is about 8 meters or 27 feet, making it the cleanest and clearest of the Great Lakes .  Underwater visibility in some spots reaches 30 meters.   �  In the summer, the sun sets more than 35 minutes later on the  western shore of Lake Superior than at its southeastern edge.   �  Some of the world's oldest rocks, formed about 2.7 billion  years ago, can be found on the Ontario shore of Lake Superior ..   �  It very rarely freezes over completely, and then usually just for a few  hours.  Complete freezing occurred in 1962, 1979, 2003 and 2009.

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Posted by: "Ramachandran P.P" <pprch...@gmail.com>

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