North Fork of the Koyukuk Wild River
North Fork of the Koyukuk Wild River:see Gates of the Arctic National Park and PreserveGates of the Arctic National Park and Preserve,
N Alaska. Located N of the Arctic Circle, the park (7,523,898 acres/3,046,113 hectares) and adjacent preserve (948,629 acres/384,060 hectares) make up the second largest unit of the National Park System.
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