Mount St. Helens 1980 eruption devastation

Mount St. Helens 1980 eruption devastation

Credit: USGS

Mount St. Helens 1980 eruption devastation

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by KING 5 News

NWCN.com

Posted on May 18, 2010 at 10:38 AM

Updated Wednesday, May 18 at 10:40 AM

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