Mount St. Helens – 40 Years After the Blast Forty years ago, on May 18, 1980, people all over the world watched with awe and horror as Mount St. Helens erupted. The work of Cynthia Chang, a plant ecologist, is highlighted.聽Read more at聽.
Forty years ago, on May 18, 1980, people all over the world watched with awe and horror as Mount St. Helens erupted. The work of Cynthia Chang, a plant ecologist, is highlighted.聽Read more at聽.
