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Public Domain Picture: Sky after Mount St. Helens eruption, May 18, 1980 - Columbia NWR

Courtesy: US Fish & Wildlife Service
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Sky after Mount St. Helens eruption, May 18, 1980 - Columbia NWR
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Sky after Mount St. Helens eruption, May 18, 1980 - Columbia NWR
The most recent event to dramatically shape the geology and landscape of the refuge occurred just a few decades ago. On May 18, 1980, Mount St. Helens, located 150 miles southwest of the refuge, erupted violently, sending a cloud of volcanic ash over eastern Washington and turning day into night. A heavy layer of powdery ash settled on the refuge, varying in depth from 1 inch on the southern areas to 2 inches near the north. The ash flattened vegetation and suffocated many terrestrial insects, creating food shortages for other wildlife. Over the years, the ash layer has eroded and been incorporated into the soil but is still evident throughout the refuge. Credit: USFWS
Date Added:
April 17, 2014
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Size: 410 x 280
File size: 75.7 KB
File type: jpg
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Produced by United States Government
The file available on this page is a work of the United States government. A work of the United States government, as defined by United States copyright law, is "a work prepared by an officer or employee of the U.S. government as part of that person's official duties." In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. law.
US Fish & Wildlife Service

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US Fish & Wildlife Service (Flickr Photostream)
External Site: US Fish & Wildlife Service
The U.S. Fish and Wildlife Service is a bureau within the U.S. Department of the Interior. Its mission is to work with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people. USFWS National Digital Library The U.S. Fis
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