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Mount St. Helens was formed after many eruptions caused the layering of ash and lava. These layers make up the sides of the volcano, which is a stratovolcano. Look here for more information
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Mount ST Helens was formed by layers of ash, lava, and cinders. These kind of volcanoes are called stratovolcanoes or composite volcanoes. It is still active and the last eruption
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Mount St. Helens is in the Cascade Range, in the Pacific Northwest of the United States. Located in Skamania County, Washington, it's 96 miles from Seattle. Look here for more information
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Mount St. Helens is an active volcano located in the Cascade Range in Washington state. The volcano erupted in 1980 resulting in 57 people losing their lives.
http://answers.ask.com/Science/Nature/what_is_moun...
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