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File:USACE sediment retention structure Toutle River.jpg

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Description
English: 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.
Français : Barrage de rétention des sédiments sur l'embranchement nord la rivière Toutle (Cowlitz County, Washington, USA). Ce barrage a été construit de 1986 à 1989 par le corps des ingénieurs de l'armée (US Army Corps of Engineers) pour stocker la partie la plus lourde des sédiments dans la rivière Toutle dévalent des pentes du bassin versant du Mont St. Helens. Le barrage est d'environ 22 miles en amont de la ville de Castle Rock, Washington.
Location
InfoField
Cowlitz County, Washington, USA
46°21′43.96″N 122°33′8.19″W / 46.3622111°N 122.552275°W / 46.3622111; -122.552275
Date
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.
Author Bill Johnson, U.S. Army Corps of Engineers
Permission
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Public domain
This image or file is a work of a U.S. Army Corps of Engineers soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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15 March 1990

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current19:55, 18 March 2007Thumbnail for version as of 19:55, 18 March 20071,500 × 1,030 (649 KB)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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