NOS Hydrographic Survey Data Home Page

URL: https://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html

Home page for digitized data from smooth sheets of hydrographic surveys completed between 1837 and 1965, and from survey data acquired digitally on NOS survey vessels since 1965. Over 76 million soundings from over 6,600 surveys are included. NGDC has developed an interactive map and data discovery tool, the Bathymetry Map Service, and a text-based search engine, the Hydrographic Survey Text Search, which enable rapid data discovery and download.

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Last updated July 9, 2019
Created July 9, 2019
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