Aftermath of Mount St Helens Eruption

360998 25: Police officers examine the ash covered landscape May 23, 1980 in Washington State. On May 18, 1980, an earthquake caused a landslide on Mount St. Helens'' north face, taking off the top of the mountain and triggering an eruption that killed 57 people, wiped out river valleys and destroyed enough trees to build 300,000 homes. (Photo by John Barr/Liaison)