Alternate Views: Get Data, FAQ, ISO Rubric, CSW, HTML, Components, XML D00109, NOS Hydrographic Reconnaissance Survey in the vicinity of Unknown, State Unknown (1991) Survey ID: D00109 The 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 commercial and industrial activities. Hydrographic survey data primarily consist of water depths, but may also include features (e.g. rocks, wrecks), navigation aids, shoreline identification, and bottom type information. NOAA is responsible for archiving and distributing the source data as described in this metadata record. Get the Data Access Format(s) Distributor(s) / Contact Info Instructions / Constraints download D00109.a93.gz NOAA/NOS ASCII sounding data. This format includes sounding and feature data. download D00109_h93.htm NOAA/NOS ASCII header metadata. This file is presented in html for convenience. download D00109.xyz.gz NOAA/NOS ASCII XYZ sounding data. The data format is: Lon Lat Depth; depths are negative in meters. The datum (usually NAD83) is listed in the H93 header file. NOAA/NOS ASCII sounding data Format version: (version is unknown) Format specification: This format includes sounding and feature data. NOAA/NOS ASCII header metadata Format version: (version is unknown) Format specification: This file is presented in html for convenience. NOAA/NOS ASCII XYZ sounding data Format version: (version is unknown) Format specification: The data format is: Lon Lat Depth; depths are negative in meters. The datum (usually NAD83) is listed in the H93 header file. DOC/NOAA/NESDIS/NGDC > United States Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS), National Geophysical Data Center (NGDC) DOC/NOAA/NESDIS/NGDC > United States Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS), National Geophysical Data Center (NGDC) (303) 497-6390 Fees None Ordering Instructions Download Legal Constraints Access otherRestrictions Use Limitation otherRestrictions Other Access Constraints: None. Use Constraints: These data are NOT to be used for navigation. 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 damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system. Only NOAA nautical charts are designed and approved for navigational use.