U.S. Geological Survey's alert notification system for volcanic activity
By: [Cynthia A. Gardner and Marianne C. Guffanti].
Contributors: Guffanti, Marianne.; Geological Survey (U.S.)
Series: USGS fact sheet -- 2006-3139.; Fact sheet (Geological Survey (U.S.)) -- 2006-3139.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2007
Place of publication: [Reston, Va.]
Language: eng
Subjects: Volcanic activity prediction -- United States.
Other titles: U.S. Geological Survey--reducing the risk from volcano hazards.; Reducing the risk from volcano hazards.
Notes: Caption title.

Shipping list no.: 2007-0211-P.

Also available via Internet from the USGS web site. Address as of 4/17/07: http://pubs.usgs.gov/fs/2006/3139; current access is available via PURL.