The great 1980 eruption of Mount St. Helens effectively provided scientists with a dissected Cascade volcano for study. All of the strata and other details of the crater tell the eruptive history of the mountain and give clues to its future | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Foster, John R. |
Taille de l’image : | 2199 px × 3286 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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