NOS Hydrographic Surveys CollectionBack to Collection NOAA/NESDIS/NGDC/Collection
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NOS Hydrographic Surveys Collection
browse graphicThe National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide background data for engineers, scientific, and other commerc (...etc)

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AccessFormat(s)Distributor(s) / Contact InfoInstructions / Constraints
NOS Hydrographic Survey Data Home Page
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 ha (...etc)
Bathymetric Data Viewer
Hydrographic Survey Text Search
Bathymetry Attributed Grid (BAG)
Format version: (unknown)
Format specification: Bathymetric Attributed Grid (BAG) is a non-proprietary file format for storing and exchanging bathymetric data developed by the Open Navigation Surface Working Group. BAG files are gridded, multi-dimensional bathymetric data files and is the standard (...etc)
Geospatial Portable Document Format (GeoImage)
Format version: (unknown)
Format specification: Geospatial Portable Document Format (GeoImage) is a layered geospatial PDF. This image file contains several layers including: a combined bathymetric surface, a survey scale set of soundings, a large scale raster nautical chart, latitude/longitude gr (...etc)
Format version: (unknown)
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Generic Sensor Format (GSF)
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Multi-resolution Seamless Image Database (MrSID)
Format version: (unknown)
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
(303) 497-6390
Use Limitation
Distribution Liability: These data are not to be used for navigation purposes. NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA cannot assume liability for any damag (...etc)

Legal Constraints
These data are NOT to be used for navigation.