The nature of Mount St. Helens' ash
By: Washington Military Department, Emergency Management Division.
Contributors: Washington (State). Emergency Management Division.; Washington State Library. Electronic State Publications.
Publisher: The Division
Published: 1980
Place of publication: [Camp Murray, Wash.]
Language: eng
Format: Electronic resource
Subjects: Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount -- Composition; Volcanic hazard analysis -- Washington (State) -- Saint Helens, Mount
Other titles: Nature of Mount Saint Helens' ash.
Notes: "The Federal Emergency Management Agency (FEMA), Federal Coordinating Office, originally published this material as: Mount St. Helens Technical Information Network, Bulletin #1, May 1980."

"This information was compiled from information supplied by the U.S. Geological Survey and other sources."

Viewed June 2, 2004.

Mode of access: Internet at the Washington State Library Electronic State Publications site, available via PURL.