1. Map showing tracklines of high-resolution uniboom seismic-reflection profiles collected August 31, through September 21, 1980, in the Chukchi Sea [cartographic material] Yale Public content 1982. 2023-05-04T19:52:22Z. 2023-05-09T21:35:33Z. Grantz, Arthur, 1927-2021. U.S. Geological Survey. English. cartographic image. Public. Chukchi Sea, Arctic Ocean, and Chukchi Sea.