Multibeam collection for TN254: Multibeam data collected aboard Thomas G. Thompson from 09-Sep-10 to 11-Oct-10, Astoria, Oregon to Seattle, Washington

This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found本数据集是多波束测深数据库（Multibeam Bathymetry Database，MBBDB）这一更大规模数据集的一部分，该数据库中可获取其他同类数据。