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64 pages • first pub 1986 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
May 18, 1980, 8:32 A.M.: An earthquake suddenly triggered an avalanche on Mount St. Helens, a volcano in southern Washington State. Minutes later, Mount St. Helens blew the top off its peak and exploded into the most devastating volcanic eruption ...
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64 pages • first pub 1986 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
May 18, 1980, 8:32 A.M.: An earthquake suddenly triggered an avalanche on Mount St. Helens, a volcano in southern Washington State. Minutes later, Mount St. Helens blew the top off its peak and exploded into the most devastating volcanic eruption ...