Wednesday marks the 42-year anniversary of Mt. St. Helens' eruption in Washington. The blast on May 18, 1980, is the worst volcanic eruption in U.S. history, killing 57 people and spewing 520 million tons of ash across the country.
'I never imagined … a cold night on the mountain': Mount St. Helens summit attempt humbles writer columbian.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from columbian.com Daily Mail and Mail on Sunday newspapers.