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Eroded avalanche, North Fork Toutle River valley. Mount St. Helens, ​Cowlitz County, Washington. 1980.


Date Taken


Index card: View of eroded avalanche and blast material in North Fork Toutle River valley, five miles downstream from mountain. Material is 450 feet deep at this point. Cowlitz County, Washington. 1980.


Data Owner :
U.S. Geological Survey

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cvoa0089_ct.jpg thumbnail 59.07 KB image/jpeg
cvoa0089_ct.tif 1.03 MB image/geotiff

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Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Slide Collection, Cascades Volcano Observatory (CVO), A-E Collection.


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Additional Information


Type Scheme Key
Photo Number cvoa0089_ct

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