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Over a billion years - see the link below.
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∙ 15y ago
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How long have the great lakes been around?
They aren't that old. The Great Lakes started to form about 15,000 years ago when the continental glaciers melted.
What are the four largest lakes in the country?
The Great Lakes
In 1713 France owned land around what lakes?
Great Lakes
This state is bordered by old man river and one of the great lakes?
New Hampshire
In which direction are the great lakes from your state?
The Great Lakes are located in eastern North America. The Great Lakes are the largest group of freshwater lakes and are to the northeast of Texas.
Why are the great lakes called the Canadian great lakes?
Because they are
Why are the great lakes so great?
because the lakes are big
What are the 3 natural glacial lakes that are referred to the Iowa Great Lakes?
The Iowa Great Lakes
Which region is less densely populated great basin or great lakes?
The Great Lakes
What are the huge lakes in the north-eastern US called?
Northeast of which country? If northeast America, they would be the Great Lakes.
How do the Great Lakes and the Great Salt Lakes differ?
The Great Lakes are a collection of five freshwater lakes, The Great Salt Lake is one saltwater lake. The Great Lakes are much larger than the Great Salt Lake. (The Great Lakes cover 80,545 square miles, the Great Salt Lake covers between 1,000 and 3,000 square miles, depending on the rainfall.)
What region touches the great lakes?
the northeast touches the Great Lakes
