(Q61047512)
Statements
The 1980 eruptions of Mount St. Helens, Washington (English)
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1981
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1250
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135–141
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257–277
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279–293
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439–458
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479–486
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513–524
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525–539
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557–567
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569–575
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577–600
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601–616
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617–628
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667–681
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683–687
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761–782
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