Science Source Feb 2010
EN_90286397_0236
![Science Source Feb 2010](img/medium/arch1/dvd0114/15/EN_90286397_0236.jpg)
Nearly 135 miles (220 kilometers) of river channels surrounding the volcano were affected by the lahars of May 18, 1980. 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.
2010-02-13
EAST NEWS
Science Source
Science Source/USGS
bk3957
1,81MB
27cm x 19cm przy 300dpi
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