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Multibeam Bathymetry Database (MBBDB) NGDA recent views
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat classification,... -
Marine Trackline Geophysical Database NGDA recent views
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide.... -
NOS Hydrographic Surveys Collection NGDA recent views
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation...