Multibeam collection for LD-11-09-CB-ENBB: Multibeam data collected aboard Look Down from 13-Sep-11 to 13-Sep-11, Annapolis, MD to Annapolis, MD

This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found本数据集系多波束测深数据库（Multibeam Bathymetry Database，MBBDB）这一更大规模数据集的组成部分，该数据库中可获取其他同类相关数据。