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North Fork Toutle River valley topography, Cowlitz County, Washington. 1980.


Date Taken


Oblique aerial view of North Fork Toutle River valley, north of Mount St. Helens. Note topography of the blast material, large gullies cut by the subsequent mudflows, deposits of mud splashed on the hummocks of the blast material, and subsequent slumping of material into the gullies, creating natural barriers to flow. Cowlitz County, Washington. May 19, 1980.


Data Owner :
U.S. Geological Survey

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Material Request Instructions

Image located in the U.S.Geological Survey Photographic Collection, color slide album "Cascade Volcano Observatory (A - E)", no. 36ct.


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Additional Information


Type Scheme Key
name photoLibrary cvoa0036
number photoLibrary 5509
batch photoLibrary btch148
number_in_book photoLibrary 36ct

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