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glacial valley

glacial valley in Science
glacial valley  
A steep-sided, U-shaped valley formed by the erosional forces of a moving glacier.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for glacial valley

stream valley that has been glaciated, usually to a typical catenary, or U-shaped, cross section. U-shaped valleys occur in many parts of the world and are characteristic features of mountain glaciation. These glacial troughs may be several thousand feet deep and tens of miles long.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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