Volcanic ash : danger to aircraft in the North Pacific : reducing the risk from volcano hazards.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : U.S. G.P.O., [1997]
Series:	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)