National Geographic : 1988 Jun
a second eastward flow of a people now known as the Thule. The record reveals more. Apparently the Norse visited Ellesmere as early as the 12th century and traded with the Thule, evidenced by chain mail, boat rivets, knife blades, and other artifacts turned up near Bache Peninsula. Around 1700, during a 50-year period of brutal winters, the Thule abandoned Ellesmere for Greenland. *See "Eskimo and Viking Finds in the High Arctic," by Peter Schle dermann, in the May 1981 GEOGRAPHIC.