Incomplete record - should be at least 90 maps, LATLONGs truncated in PH I by GIPSY - 9512. On S side of Arctic Ocean, between Siberia on SW and Alaska on SE; it is defined by Point Barrow, Alaska, at NE end, Wrangel I., U.S.S.R., at NW end and is connected by Bering Strait with Bering Sea on S.