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The Eruption of Mount St. Helens
42:15 - 44:19 (02:03)
The 1980 eruption of Mount St. Helens caused the raised of the lake 200 feet, created an amphitheater, and opened a cross-section of the mountain for study.
The 1980 eruption of Mount St. Helens caused the raised of the lake 200 feet, created an amphitheater, and opened a cross-section of the mountain for study.