University of Washington Mount St. Helens Collection. Contains advertisements, meeting and conference minutes, news releases and newsletters, reminiscences and personal observations, scientific data and reports, and other materials that were collected by the University of Washington Libraries in the immediate aftermath of the Mount St. Helens eruption.
Warren Grant Magnuson Papers. Contains correspondence relating to the mountain's 1980 eruption and disaster relief programs.
Satellite view of the eruption
Satellite view of the Mount St. Helens ash plume 6 hours and 36 minutes after eruption, May 18, 1980