Title: A comprehensive plan for responding to the long-term threat created by the eruption of Mount St. Helens, Washington
Subjects: Sedimentation and deposition, Sediment control, Eruption, 1980, Flood control
Places: Washington (State), Toutle River Watershed, Toutle River, Toutle River (Wash.), Saint Helens, Mount (Wash.), Cowlitz River (Wash.), Cowlitz River