Volcanic ash : danger to aircraft in the North Pacific.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : [U.S. Dept. of the Interior, U.S. Geological Survey], 1998.
Edition:	[Rev. Nov. 1998].
Series:	Reducing the risk from volcano hazards. Fact sheet (Geological Survey (U.S.)) ; FS-97-030.
Subjects:	Volcanic ash, tuff, etc. > Northwest, Pacific. Volcanic hazard analysis > Northwest, Pacific. Aeronautics > Northwest, Pacific > Safety measures.

Evans: US Documents (Annex 5th floor)