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Thursday, Mar 6, 2014 - 5:00 PM    "Mt. St. Helens Back from the Dead" For 30 years Forest Service biologist Charlie Crisafulli has documented the dramatic return of plant and animal life to the devastated slopes of Mt. St. Helens after the 1980 eruption. But he also witnesses the mountain's own return to life. Using GPS, magnetic mapping and more, geologists track the movement of magma and the volcano's hidden lattice of faults. G
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