1. United States, Alaska--Arctic coast, Demarcation Bay and approaches Yale Public content 1994. 2011-11-17T17:43:30Z. 2015-10-21T15:05:59Z. U.S. Coast and Geodetic Survey. The Survey ; NOAA Distribution Branch, N/CG 33, National Ocean Service. English. Public. Beaufort Sea., Beaufort Sea, and Demarcation Bay (Alaska).