H08090: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1955-06-07
type: Dataset
description: 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.
issued: 2025-12-02T10:35:53.860647
modified: 2025-12-02T10:35:53.860650
keyword: amerigeo
keyword: amerigeoss
keyword: ckan
keyword: geo
keyword: geoss
keyword: national
keyword: north-america
keyword: united-states

H08090.sid.gz
type: Distribution
description: NOAA/NOS Smooth Sheet survey image in MrSID format
format: SID
issued: 2018-11-18T04:21:50.207690
modified: 2025-12-02T10:35:53.850198
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/Smooth_Sheets/H08090.sid.gz

Global Change Master Directory (GCMD) Keywords
type: Distribution
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
issued: 2018-11-18T04:21:50.207719
modified: 2025-12-02T10:35:53.853297
access URL: https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords

H08090.tif.gz
type: Distribution
description: NOAA/NOS Smooth Sheet survey image
format: TIFF
issued: 2018-11-18T04:21:50.207686
modified: 2025-12-02T10:35:53.849796
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/Smooth_Sheets/H08090.tif.gz

Getty Thesaurus of Geographic Names Online Page
type: Distribution
description: This page provides an interface to search the Getty Thesaurus of Geographic Names.
format: HTML
issued: 2018-11-18T04:21:50.207726
modified: 2025-12-02T10:35:53.854107
access URL: http://www.getty.edu/research/tools/vocabularies/tgn/index.html

H08090.pdf
type: Distribution
description: NOAA/NOS Descriptive Report in PDF format
format: PDF
issued: 2018-11-18T04:21:50.207705
modified: 2025-12-02T10:35:53.851826
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/DR/H08090.pdf

H08090.a93.gz
type: Distribution
description: NOAA/NOS HYD93 format ASCII sounding data (see https://www.ngdc.noaa.gov/mgg/dat/geodas/docs/hyd93.htm)
format: XML
issued: 2018-11-18T04:21:50.207702
modified: 2025-12-02T10:35:53.851418
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/GEODAS/H08090.a93.gz

H08090_h93.htm
type: Distribution
description: NOAA/NOS HYD93 format ASCII header metadata (see https://www.ngdc.noaa.gov/mgg/dat/geodas/docs/hyd93.htm)
format: HTML
issued: 2018-11-18T04:21:50.207694
modified: 2025-12-02T10:35:53.850592
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/GEODAS/H08090_h93.htm

Global Change Master Directory (GCMD) Keywords
type: Distribution
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
issued: 2018-11-18T04:21:50.207723
modified: 2025-12-02T10:35:53.853651
access URL: https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords

H08090 soundings from point store database
type: Distribution
description: NOAA/NOS ASCII XYZ sounding data from the Point Store database
format: XML
issued: 2018-11-18T04:21:50.207709
modified: 2025-12-02T10:35:53.852213
access URL: https://www.ngdc.noaa.gov/next-web/orders/create#/nos

Global Change Master Directory (GCMD) Keywords
type: Distribution
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
issued: 2018-11-18T04:21:50.207716
modified: 2025-12-02T10:35:53.852939
access URL: https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords

Global Change Master Directory (GCMD) Keywords
type: Distribution
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
issued: 2018-11-18T04:21:50.207712
modified: 2025-12-02T10:35:53.852580
access URL: https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords

H08090.xyz.gz
type: Distribution
description: NOAA/NOS ASCII XYZ sounding data
format: XYZ
issued: 2018-11-18T04:21:50.207698
modified: 2025-12-02T10:35:53.850977
access URL: https://data.ngdc.noaa.gov/platforms/ocean/nos/coast/H08001-H10000/H08090/GEODAS/H08090.xyz.gz

H08090.xml
type: Distribution
description: Survey metadata record.
format: XML
issued: 2018-11-18T04:21:50.207668
modified: 2025-12-02T10:35:53.849311
access URL: https://www.ngdc.noaa.gov/metadata/published/NOAA/NESDIS/NGDC/MGG/NOS/H08001-H10000/iso/xml/H08090.xml

US Migrating
type: Agent