Image:MSH82 st helens plume from harrys ridge 05-19-82.jpg

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Description

Plumes of steam, gas, and ash often occured at Mount St. Helens in the early 1980s. On clear days they could be seen from Portland, Oregon, 50 miles (81 kilometers) to the south. The plume photographed here rose nearly 3,000 feet (1,000 meters) above the volcano's rim. The view is from Harrys Ridge, five miles (8 kilometers) north of the mountain.
Source

CVO Photo Archive Mount St. Helens, Washington Before, During, and After May 18, 1980
Date

May 19, 1982
Author

Lyn Topinka
Permission
(Reusing this image)
Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy


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actuel28 novembre 2007 à 20:172 925×1 977 (3,77 Mio)CarolSpears ({{Information |Description=Plumes of steam, gas, and ash often occured at Mount St. Helens in the early 1980s. On clear days they could be seen from Portland, Oregon, 50 miles (81 kilometers) to the south. The plume photographed here rose nearly 3,000 fee)

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