Description : The Onion Portage Archeological District encompasses a major archaeological site in Kobuk Valley National Park in northwestern Alaska. The site is a deeply stratified site, at which archaeologists have located nine complexes ranging dating from approximately 6500BC to AD1700. The site has been of critical benefit for the study of Arctic cultures, and is used to determine the cultural chronology of the region. The district was added to the National Register of Historical Places in 1972 and was declared a National Historic Landmark District in 1978.
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