Views from western most Knife Creek Glacier, Valley of Ten Thousand . The lower slopes of the Knife Creek glaciers are covered in about 2 meters of ash and pumice. This portion of one of the glaciers is also covered in landslide debris from Trident Volcano.

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Photo credit: © Natural History Library / Alamy / Afripics
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Keywords: alaska, alaskan, america, american, conservation, country, history, katmai, land, lands, national, natural, nature, park, parks, preserve, public, service, smokes, southern, ten, thousand, usa, valley, widlife, wilderness