미국
Multibeam collection for PPTU04WT: Multibeam data collected aboard Thomas Washington from 01-Jan-86 to 27-Jan-86, Pago Pago, American Samoa to Nuku'alofa, Tonga
This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found