From Wikipedia, the free encyclopedia
Description |
A dam on the North Fork of the Toutle River in Cowlitz County, Washington, USA. This dam was constructed 1986–1989 by the U.S. Army Corps of Engineers to retain some of the sediment in the Toutle River flowing down from the slopes of Mt. St. Helens. The Corps calls this dam a Sediment Retention Structure. The dam is approximately 22 miles upriver from the town of Castle Rock, Washington.
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Source |
U.S. Army Corps of Engineers Digital Visual Library
Image page
Image description page
Digital Visual Library home page
See also USACE website on the Sediment Retention structure.
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Date |
March 15, 1990
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Author |
Bill Johnson, U.S. Army Corps of Engineers
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Permission |
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File links
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