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Federal
Multibeam Bathymetry Database (MBBDB) NGDA 23 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat... -
Federal
Marine Trackline Geophysical Database NGDA 10 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
GRAV-D Data and Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Within NOS, NOAAâs National Geodetic Survey (NGS) has a federal mandate to provide accurate positioning, including heights, to all federal non-military mapping...