Walla Walla Union Bulletin13d
45 years after blast, Mount St. Helens' sediment still causing costly problems
Mar 19, 2025 Mar 19, 2025 0 Nearly 45 years after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into ...
Nature7y
Climatic and Biotic Controls on Silt Production and Accumulation of Loess
What do glaciers and the Sahara Desert have in common? Both are sources of silt-size particles that interact with wind, sand, and vegetation to form loess deposits. Deflation, the lifting and ...
The Columbian13d
45 years after blast, Mount St. Helens’ sediment still causing costly problems
Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year.