• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1980-01-01T00:00:00.000+00:00

Echo-sounding tables (3rd Edition) were prepared by D.J.T. Carter of the Marine Information and Advisory Service (United Kingdom) for the conversion of raw echo-sounding measurements of ocean...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1976-01-01T00:00:00.000+00:00

NCEI maintains a large volume of both analog and digital seismic reflection data. Currently only a limited number of lines are available online. Digital data include SEGY files and scanned images...

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