File:1980.06.30.St Helens Ash Cleanup.PDF: Difference between revisions

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Slide deck from Jim Quinn (Metro) presentation on Mount St. Helens ash cleanup.
 
 
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== Summary ==
== Summary ==
Slide deck from Jim Quinn (Metro) presentation on Mount St. Helens ash cleanup.
Resource from 1980 on how to clean up ashfall from St. Helens.
Retrieved from "https://volunteerpdx.net/index.php/File:1980.06.30.St_Helens_Ash_Cleanup.PDF"