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Volcanic debris clogged many water bodies near Mount St. Helens. Skamania County, Washington. 1980.




Caption: Volcanic eruption creates scenes of destruction. Ash, pumice, pieces of wood and other volcanic debris clogged many water bodies near Washington State's Mount St. Helens after the volcano erupted violently on May 18, 1980. According to U.S. Geological Survey scientists, the first eruption of the Cascade Mountain Range volcano in 123 years occured with an atom bomb-like force that leveled trees in a 185 square mile area and spewed over 1 cubic kilometer of ash and rock over 11 western and central states. PIO No. 80-180b


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U.S. Geological Survey

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Available in the U.S. Geological Survey Denver Library Photographic Collection, 2010 DENPH0011, PIO Collection.


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Photo Number PIO_80_180b

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