Portland Bureau of Emergency Management/Historic Disasters in the Portland Metro Area/Eruption of Mount St. Helens
From Portland NET Wiki
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1980 Post-eruption Ash Cleanup
| Date | Title | Author | Notes |
|---|---|---|---|
| 1980.06.30 | Mt. St. Helens Ash Cleanup | Jerry Markesino, Street Cleaning Supervisor, Portland Department of Public Works | Cited as a very helpful resource with details on how to address ashfall cleanup. |
