GEBCO Undersea Feature Names Please include the following citation when data from the gazetteer are used or reproduced in reports, presentations and other products: IHO-IOC GEBCO Gazetteer of Undersea Feature Names, www.gebco.net Quantarctica project team note: Apparently incorrect features "Astrid Ridge" and "Polarstern Canyon" were deleted. Website: https://www.gebco.net/data_and_products/undersea_feature_names/ Download: https://www.ngdc.noaa.gov/gazetteer/ Downloaded December 2017