Science Source Feb 2010
EN_90286397_0238
![Science Source Feb 2010](img/medium/arch1/dvd0114/15/EN_90286397_0238.jpg)
Mount St. Helens' summit after several small explosive eruptions. The smaller of the two pit craters was formed first on March 27, 1980. Subsequent eruptions opened the farther crater. The two craters subsequently merged. View looking west. March 30, 1980.
2010-02-13
EAST NEWS
Science Source
Science Source/USGS
bk3962
1,91MB
26cm x 26cm by 300dpi
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