'Its May 18, 1980 eruption was the first in the lower 48 states since California's Lassen Peak in 1921'
Mount Saint Helens
VOLCANOES: Its May 18, 1980 eruption was the first in the lower 48 states since Californias Lassen Peak in 1921
Its May 18, 1980 eruption was the first in the lower 48 states since California's Lassen Peak in 1921
Its May 18, 1980 eruption was the first in the lower 48 states since California's Lassen Peak in 1921
VOLCANOES
Mount Saint Helens
VOLCANOES