Image:USACE sediment retention structure Toutle River.jpg

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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.
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.
Date

March 15, 1990
Location Cowlitz County, Washington, USA
46°21′43.96″N, 122°33′8.19″W
Author

Bill Johnson, U.S. Army Corps of Engineers
Permission
Public domain This image is in the public domain because it contains materials that originally came from the United States Army Corps of Engineers.
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Smaller version: Image:Sediment Retention Structure ACE.jpg

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actuel18 mars 2007 à 21:551 500×1 030 (649 Kio)DanMS ({{Information | 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)

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