Why is the Canadian shield full of lakes?
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The multitude of rivers and lakes in the entire region is caused by the watersheds of the area being so young and in a state of sorting themselves out with the added effect of post-glacial rebound.
The Shield was originally an area of very large, very tall mountains with much volcanic activity, but over hundreds of millions of years, the area has been eroded to its current topographic appearance of relatively low relief.
The Shield was originally an area of very large, very tall mountains with much volcanic activity, but over hundreds of millions of years, the area has been eroded to its current topographic appearance of relatively low relief.
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