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File:Mudline from 1980 St Helens lahars next to Muddy River.jpg

Mudline_from_1980_St_Helens_lahars_next_to_Muddy_River.jpg(543 × 319 pixels, file size: 54 KB, MIME type: image/jpeg)
Description Mount St. Helens Mudline. Nearly 135 miles (220 kilometers) of river channels surrounding the volcano were affected by the lahars of May 18. A mudline left behind on trees shows depths reached by the mud. A scientist (middle right) gives scale. This view is along the Muddy River, southeast of Mount St. Helens. (October 23,1980, by Lyn Topinka, USGS/CVO)
Date 23 October 1980
Source USGS image from
Author Lyn Topinka, USGS/CVO
( Reusing this file)



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