Lahars, forming on debris avalanche, North Fork Toutle River valley, Cowlitz County, Washington. 1980.
Dates
Date Taken
1980-05-18
Summary
Oblique aerial view from helicopter showing lahars, or mudflows, forming on debris avalanche, North Fork Toutle River valley, in the early afternoon. Cowlitz County, Washington. May 18, 1980.
Summary
Oblique aerial view from helicopter showing lahars, or mudflows, forming on debris avalanche, North Fork Toutle River valley, in the early afternoon. Cowlitz County, Washington. May 18, 1980.
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Material Request Instructions
Image located in the U.S.Geological Survey Photographic Collection, color slide album "Cascade Volcano Observatory (E - F)", section E, no. 19ct.
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