File:1980.06.30.St Helens Ash Cleanup.PDF
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1980.06.30.St_Helens_Ash_Cleanup.PDF (file size: 5.37 MB, MIME type: application/pdf)
Summary
Resource from 1980 on how to clean up ashfall from St. Helens.
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 20:23, 6 December 2025 | (5.37 MB) | Net@portlandoregon.gov (talk | contribs) | Slide deck from Jim Quinn (Metro) presentation on Mount St. Helens ash cleanup. |
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