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Mount St Helen's Volcano
When Mount St Helens erupted in the USA in 1980 it sent a huge cloud of ash and dust over eleven states.
Geologist Dorothy Stoffel was flying directly above the volcano as it blew. She tells Witness about that day.
Last on
Tue 18 May 2010
22:50GMT
Βι¶ΉΤΌΕΔ World Service Online
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- Tue 18 May 2010 04:50GMTΒι¶ΉΤΌΕΔ World Service Online
- Tue 18 May 2010 07:50GMTΒι¶ΉΤΌΕΔ World Service Online
- Tue 18 May 2010 10:50GMTΒι¶ΉΤΌΕΔ World Service Online
- Tue 18 May 2010 22:50GMTΒι¶ΉΤΌΕΔ World Service Online
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