Image:1980 St. Helens ashmap.png

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Ash deposits from the 1980 eruption of Mount St. Helens were encountered throughout most of Washington, northeastern Oregon, northern Idaho, all of Montana, parts of Wyoming, North and South Dakota, northwestern Minnesota, Colorado, northern New Mexico, and as far away as central Oklahoma.

USGS image from http://vulcan.wr.usgs.gov/Volcanoes/MSH/Maps/may18_ashmap.html.

Public Domain

This image is a work of a United States Geological Survey employee, taken or made during the course of the person's official duties. As a work of the United States Government, the image is in the public domain. For more information, see the USGS copyright policy.

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  • (del) (cur) 00:23, 9 February 2006 . . DaiTengu ( Talk | contribs) . . 808×550 (13,825 bytes) (Reverted to earlier revision)
  • (del) (rev) 00:23, 9 February 2006 . . DaiTengu ( Talk | contribs) . . 808×550 (18,810 bytes) (Reverted to earlier revision)
  • (del) (rev) 02:50, 29 May 2004 . . Maveric149 ( Talk | contribs) . . 808×550 (13,825 bytes)
  • (del) (rev) 02:33, 29 May 2004 . . Maveric149 ( Talk | contribs) . . 808×550 (18,810 bytes) ( USGS image from [http://vulcan.wr.usgs.gov/Volcanoes/MSH/Maps/may18_ashmap.html] <br><br>{{msg:PD}})

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