Volcanic ash fall--a "hard rain" of abrasive particles.
Contributors: Kenedi, Christopher A.; Geological Survey (U.S.); United States. Federal Aviation Administration; United States. National Weather Service
Series: USGS fact sheet -- 027-00; Fact sheet (Geological Survey (U.S.)) -- FS-00-27.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2000
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount.; Volcanic hazard analysis -- United States.
Other titles: U.S. Geological Survey--reducing the risk from volcano hazards
Notes: Caption title.

"Christopher A. Kenedi ... [et al.]."

"Cooperating organizations, Federal Aviation Administration; National Oceanic and Atmospheric Administration, National Weather Service."

Shipping list no.: 2000-0200-P.