Porcupine Caribou Herd in the 1002 Area of the Arctic National Wildlife Refuge coastal plain, with the Brooks Range mountains in the distance to the south.
This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by discarding the shells of their food source - oysters, clams, and other mollusks over a 6,000 time span. Once used as...