1. Map showing Beaufort Sea coastal erosion and accretion between Flaxman Island and the Canadian border, northeastern Alaska : thirty-year coastline comparison, sediment volumes released, and physiographic character Yale Public content 1992. 2002-06-01T04:00:00Z. 2015-02-10T16:57:37Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Alaska, North Slope, Beaufort Sea, North Slope., Arctic Ocean, and Beaufort Sea.