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Rangers at Johnston Ridge Observatory presenting the 1980's volcanic eruption of Mount St. Helens
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Forfatter:
Pacific Northwest Research Station, Forest Service, USDA
Attribusjonslenke:
Pacific Northwest Research Station, Forest Service, USDA on Flickr.com
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gruppe
økologi
mount st helens
regeneration
ecological restoration
icyi
mount st. helens institute
u.s forest service
pnw research station
mount st. helens national volcanic monument
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