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Kobuk Valley National Park is encircled by the Baird and waring mountain
Ranges. The park provides protection for several important geographic
features, including the Central portion of the Kobuk river, the 25-square
mile Great Kobuk sand Dunes and the Little Kobuk and Hunt River dunes. Sand
Created by the grinding action of ancient glaciers has been carried to the
Kobuk valley by both wind and water. Dunes now cover much of the southern
portion of the Kobuk Valley, where they are naturally stabilized by
vegetation. River bluffs, composed of sand and standing as high as 150 feet
hold permfrost ice wedges and the fossils of Ice Age mammals. |
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