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. And that flow is causing costly problems for towns along the way.
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Source: The Columbian
45 years after blast, Mount St. Helens’ sediment still causing costly problems
Published in Business, clark county, Clark County Business, Clark County News, columbia river, Cowlitz County, Latest News, Mount St. Helens, Murrow and Newsletter
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