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Federal
Coastal Digital Elevation Models (DEMs) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Digital elevation models (DEMs) of U.S. and other coasts that typically integrate ocean bathymetry and land topography. The DEMs support NOAA's mission to understand... -
Federal
Marine Trackline Geophysical Database NGDA 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...