The Sediment Retention Structure is an earthen dam 1888 feet (575 m) long and 184 feet (56 m) high on the North Fork Toutle River in the U.S. state of Washington. Completed by the United States Army Corps of Engineers in 1989 it is meant to prevent sediment from the 1980 eruption of Mount St.
thumbnail
point
length (km)
575.462
building start year
1986-01-01T00:00:00+02:00
height (cm)
56.0832
location
Cowlitz County Washington, Washington (state), United States
