Mt. St. Helens Ash
Outlines of the changing shape and direction of the volcanic ash cloud
File 117221 is a 186kB Acrobat (PDF)
Uploaded:
May30 17
Last Modified: 2017-05-30 15:49:03
https://serc.carleton.edu/download/files/117221/mt._st._helens_ash.pdf
The file is referred to in 1 page
Provenance
Eileen Herrstrom, University of Illinois at Urbana-Champaign
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