Tracklines of a multibeam survey of the Hudson Shelf Valley carried out in 2000 (polyline shapefile, geographic, WGS 84)

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Metadata:

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: U.S. Geological Survey
Publication_Date: 2017
Title:

Tracklines of a multibeam survey of the Hudson Shelf Valley carried out in 2000 (polyline shapefile, geographic, WGS 84)

Edition: 1.0
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/F7C53J1Z

Publication_Information:

Publication_Place: Woods Hole Coastal and Marine Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program

Online_Linkage: https://doi.org/10.5066/F7C53J1Z
Online_Linkage:

https://www.sciencebase.gov/catalog/item/589a1fdce4b0efcedb71a599

Larger_Work_Citation:

Citation_Information:

Originator: Bradford Butman
Originator: William W. Danforth
Originator: John E. Hughes Clarke
Originator: Richard P. Signell
Publication_Date: 2017
Title:

Bathymetry and backscatter intensity of the sea floor of the Hudson Shelf Valley

Edition: 1.0
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/F7C53J1Z

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Other_Citation_Details:

Suggested citation: Butman, Bradford, Danforth, W.W., Clarke, J.E.H., and Signell, R.P., 2017, Bathymetry and backscatter intensity of the sea floor of the Hudson Shelf Valley: U.S. Geological Survey data release, https://doi.org/10.5066/F7C53J1Z.

Online_Linkage: https://doi.org/10.5066/F7C53J1Z

Description:

Abstract:

The Hudson Shelf Valley is the submerged seaward extension of the ancestral Hudson River drainage system and is the largest physiographic feature on the Middle Atlantic continental shelf. The valley begins offshore of New York and New Jersey at about 30-meter (m) water depth, runs southerly and then southeasterly across the Continental Shelf, and terminates on the outer shelf at about 85-m water depth landward of the head of the Hudson Canyon. Portions of the 150-kilometer-long valley were surveyed in 1996, 1998, and 2000 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to map the bathymetry and backscatter intensity of the sea floor of the valley, providing a framework for geologic, oceanographic, and geochemical studies. The data from the three surveys are combined to produce grids of bathymetry and backscatter intensity at 12-m resolution that cover the entire valley and the head of the Hudson Canyon. The mapping was done by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers with support from the Canadian Hydrographic Service and the University of New Brunswick.

Purpose:

The navigation polyline shapefile shows the track followed by the Canadian Coast Guard ship Frederick G. Creed in the 2000 survey of the Hudson Shelf Valley. The shapefile can be used to identify line spacing, trackline orientation, and the location of data collection. The attributes record the latitude, longitude, date, and time at the start of each line. The tracklines run approximately parallel to the axis of the valley.

Supplemental_Information:

Butman and others (1998), Butman and others (2003), and Thieler and others (2007) (see cross references) present maps and interpretations of the multibeam data. Other datasets from the survey of the Hudson Shelf Valley may be found in Butman and others (2017) (see larger work citation).

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20000407
Ending_Date: 20000504

Currentness_Reference: ground condition

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -73.829703
East_Bounding_Coordinate: -72.296183
North_Bounding_Coordinate: 40.354762
South_Bounding_Coordinate: 39.534468

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:589a1fdce4b0efcedb71a599

Theme:

Theme_Keyword_Thesaurus: none
Theme_Keyword: tracklines
Theme_Keyword: polyline shapefile
Theme_Keyword: WHCMSC field activity 2000-015-FA
Theme_Keyword: multibeam
Theme_Keyword: Simrad EM1000
Theme_Keyword: Canadian Coast Guard ship Frederick G. Creed
Theme_Keyword: Woods Hole Coastal and Marine Science Center (WHCMSC)
Theme_Keyword: Coastal and Marine Geology Program (CMGP)
Theme_Keyword: U.S. Geological Survey (USGS)
Theme_Keyword: Canadian Hydrographic Service (CHS)
Theme_Keyword: University of New Brunswick (UNB)
Theme_Keyword: USGS Open-File Report 03-372

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: location

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: navigational data
Theme_Keyword: marine geophysics
Theme_Keyword: geospatial datasets

Place:

Place_Keyword_Thesaurus: none
Place_Keyword: Hudson Shelf Valley
Place_Keyword: New York Bight
Place_Keyword: Middle Atlantic Bight
Place_Keyword: Hudson Canyon
Place_Keyword: New York
Place_Keyword: New Jersey
Place_Keyword: North Atlantic Ocean

Access_Constraints: None
Use_Constraints: None
Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: Bradford Butman

Contact_Address:

Address_Type: mailing and physical address
Address: Woods Hole Coastal and Marine Science Center
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA

Contact_Voice_Telephone: 508-548-8700 x2212
Contact_Electronic_Mail_Address: bbutman@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name:

https://www.sciencebase.gov/catalog/file/get/589a1fdce4b0efcedb71a599?name=hsv_2000_nav_browsegraphic.jpg

Browse_Graphic_File_Description: Browse graphic of the tracklines of the 2000 multibeam survey.
Browse_Graphic_File_Type: JPEG

Native_Data_Set_Environment:

Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.4095

Cross_Reference:

Citation_Information:

Originator: Butman, Bradford
Originator: Middleton, T.J.
Originator: Thieler, E.R.
Originator: Schwab, W.C.
Publication_Date: 2003
Title:

Topography, shaded-relief and backscatter intensity of the Hudson Shelf Valley, Offshore of New York

Series_Information:

Series_Name: Open-File Report
Issue_Identification: 03-372

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://pubs.usgs.gov/of/2003/of03-372/

Cross_Reference:

Citation_Information:

Originator: Thieler, E.R.
Originator: Butman, Bradford
Originator: Schwab, W.C.
Originator: Allison, M.A.
Originator: Driscoll, N.W.
Originator: Donnelly, J.P.
Originator: Uchupi, Elazar
Publication_Date: 2007
Title:

A catastrophic meltwater flood event and the formation of the Hudson Shelf Valley

Series_Information:

Series_Name: Palaeogeography, Palaeoclimatology, Palaeoecology
Issue_Identification: 246 (2007), 120-136; DOI: 10.1016/j.palaeo.2006.10.030

Publication_Information:

Publication_Place: Amsterdam
Publisher: Elsevier Ltd.

Online_Linkage: http://dx.doi.org/10.1016/j.palaeo.2006.10.030

Cross_Reference:

Citation_Information:

Originator: Butman, Bradford
Originator: Danforth, W.W.
Originator: Schwab, W.C.
Originator: ten Brink, M.B.
Publication_Date: 1998
Title:

Multibeam bathymetric and backscatter maps of the upper Hudson Shelf Valley and adjacent shelf, offshore of New York

Series_Information:

Series_Name: Open-File Report
Issue_Identification: 98-616

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://pubs.usgs.gov/of/1998/of98-616/

Cross_Reference:

Citation_Information:

Originator: Butman, Bradford
Originator: Danforth, W.W.
Originator: Knowles, S.C.
Originator: May, Brian
Originator: Serrett, Laurie
Publication_Date: 2002
Title:

Sea floor topography and backscatter intensity of the Historic Area Remediation Site (HARS), offshore of New York, based on multibeam surveys conducted in 1996, 1998, and 2000

Series_Information:

Series_Name: Open-File Report
Issue_Identification: 00-503

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://pubs.usgs.gov/of/2000/of00-503/

Cross_Reference:

Citation_Information:

Originator: Butman, Bradford
Originator: Twichell, D.C.
Originator: Rona, P.A.
Originator: Tucholke, B.E.
Originator: Middleton, T.J.
Originator: Robb, J.R.
Publication_Date: 2006
Title:

Sea floor topography and backscatter intensity of the Hudson Canyon region offshore of New York and New Jersey

Series_Information:

Series_Name: Open-File Report
Issue_Identification: 2004-1441

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Online_Linkage: https://pubs.usgs.gov/of/2004/1441/

Cross_Reference:

Citation_Information:

Originator: Clarke, J.H.
Publication_Date: 1998
Title: SwathEd
Publication_Information:

Publication_Place: New Brunswick, Canada
Publisher: Ocean Mapping Group, University of New Brunswick

Online_Linkage: http://www.omg.unb.ca/~jhc/SwathEd.html

Cross_Reference:

Citation_Information:

Originator: Butman, Bradford
Originator: Danforth, W.W.
Originator: Clarke, J.E.H.
Originator: Signell, R.P.
Publication_Date: 2017
Title:

Bathymetry and backscatter intensity of the sea floor of the Historic Area Remediation Site in 1996, 1998, and 2000

Edition: 1.0
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/F74B2ZGX

Publication_Information:

Publication_Place: Reston, VA
Publisher: U.S. Geological Survey

Other_Citation_Details:

This publication contains edition 2.0 of the bathymetry and derivative datasets that were originally released as part of Open-File Report 00-503. Edition 2.0 was created using revised processing software to correct a projection error in edition 1.0. The stretch for the images in edition 2.0 was also changed so that 255 is no data.

Online_Linkage: https://doi.org/10.5066/F74B2ZGX

Data_Quality_Information:

Logical_Consistency_Report:

All navigation data were processed in the same manner. The valley was surveyed in sections. Blocks of line numbers, in increments of 100, were assigned for each section.

Completeness_Report:

Shapefile includes all tracklines in the Hudson Shelf Valley surveyed in 2000. Other datasets from the survey of the Hudson Shelf Valley may be found in Butman and others (2017) (see larger work citation).

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

These data were navigated with a Differential Global Positioning System (DGPS) which is typically accurate to +/- 3 meters, horizontally. Repeated surveys of the Historic Area Remediation Site (HARS) (Butman and others, 2017), made on the same cruises and using the same instrumentation as the surveys of the Hudson Shelf Valley, were used to qualitatively assess the horizontal accuracy of the 1996, 1998, and 2000 surveys. The difference in location of sea floor features in the HARS identified in the 1996 and 1998 surveys were typically 5 m or less, as expected when navigating with DGPS. The difference in location of same features in the 1998 and 2000 survey were typically 10-20 m and in the along-track direction of the survey. This analysis suggests that the data collected in 1996 and 1998 surveys of the Hudson Shelf Valley are accurate to +/- 3 m horizontally, and the data collected in the 2000 survey accurate to 10-20 m horizontally.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator: Canadian Hydrographic Service
Originator: William W. Danforth
Originator: John E. Hughes Clarke
Publication_Date: Unpublished Material
Title: raw navigation data

Type_of_Source_Media: disc
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20000407
Ending_Date: 20000504

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: none
Source_Contribution:

The multibeam data were collected with a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The valley was surveyed with lines running approximately parallel to the valley axis; in some areas the lines were run in a Zamboni pattern for efficiency. The piecemeal survey pattern was a result of the limited endurance of the Creed, about 2 days, and weather. The frequency of the sonar is 95 kHz. Navigation was by means of differential GPS. Operation of the Simrad EM1000 was carried out by hydrographers of the Canadian Hydrographic Service. The data were collected on Woods Hole Coastal and Marine Science Center field activity 2000-015-FA (https://cmgds.marine.usgs.gov/fan_info.php?fa=1998-015-FA).

Process_Step:

Process_Description:

A suite of processing software (called SwathEd) (Clarke, 1998; see cross reference), developed by the Ocean Mapping Group at the University of New Brunswick, Canada, was used to process the multibeam and navigation data. Navigation data were edited on-screen using the SwathEd routine jview to remove undesirable points, including turns at the ends of survey lines. Jview also rejects stray GPS fixes outside of the survey area, as set by the operator (see process steps for bathymetry in link for larger work citation).

Process_Date: 1998
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: William W. Danforth

Contact_Address:

Address_Type: mailing and physical address
Address: Woods Hole Coastal and Marine Science Center
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA

Contact_Voice_Telephone: 508-548-8700 x2274
Contact_Electronic_Mail_Address: bdanforth@usgs.gov

Process_Step:

Process_Description:

1. Reformat ASCII navigation data collected by the DGPS receiver into a CSV (comma separated value) formatted ASCII file using the UNIX awk utility. Spacing between points in the trackline is defined by time (10-second intervals).
2. Import the CSV file as points into ArcGIS using the Import XY data under the tools menu.
3. Export the point data to a shapefile by right clicking on the point data in the data view window and selecting the Export Data function.
4. Reformat the point shapefile into a line shapefile using the VAC Extras tool -> FeatConv -> Points to line v2

Process_Date: 2010
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: William W. Danforth

Contact_Address:

Address_Type: mailing and physical address
Address: Woods Hole Coastal and Marine Science Center
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA

Contact_Voice_Telephone: 508-548-8700 x2274
Contact_Electronic_Mail_Address: bdanforth@usgs.gov

Process_Step:

Process_Description: USGS Thesaurus keywords added to the keyword section.
Process_Date: 20180720
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross

Contact_Position: Marine Geologist
Contact_Address:

Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598

Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov

Process_Step:

Process_Description:

Added keywords section with USGS persistent identifier as theme keyword.

Process_Date: 20200810
Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross

Contact_Position: Marine Geologist
Contact_Address:

Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598

Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 337

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.000001
Longitude_Resolution: 0.000001
Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: WGS_1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257224

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: hsv_2000_nav
Entity_Type_Definition: Tracklines for 2000 multibeam survey
Entity_Type_Definition_Source: USGS

Attribute:

Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: LineNum
Attribute_Definition: CHS-assigned line number
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 387
Range_Domain_Maximum: 9013
Attribute_Units_of_Measure: line number

Attribute:

Attribute_Label: Lon
Attribute_Definition: Longitude in decimal degrees at start of line
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -73.829665
Range_Domain_Maximum: -72.296183
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: Lat
Attribute_Definition: Latitude in decimal degrees at start of line
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 39.534468
Range_Domain_Maximum: 40.352627
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: Year
Attribute_Definition: Calendar year data were collected
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2000
Range_Domain_Maximum: 2000
Attribute_Units_of_Measure: calendar year

Attribute:

Attribute_Label: JulianDay
Attribute_Definition:

Julian Day, the integer number representing the interval of time in days since January 1 of the year of collection

Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 98
Range_Domain_Maximum: 125
Attribute_Units_of_Measure: Julian day

Attribute:

Attribute_Label: Hour
Attribute_Definition: Hour at start of line
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 23
Attribute_Units_of_Measure: hour

Attribute:

Attribute_Label: Min
Attribute_Definition: Minute at start of line
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 59
Attribute_Units_of_Measure: minutes

Attribute:

Attribute_Label: Sec
Attribute_Definition: Second at start of line
Attribute_Definition_Source: USGS
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 59.9
Attribute_Units_of_Measure: seconds

Overview_Description:

Entity_and_Attribute_Overview:

The navigation polyline shapefile shows the track followed by the Canadian Coast Guard ship Frederick G. Creed in the 2000 survey of the Hudson Shelf Valley. The attributes are the Canadian Hydrographic Service assigned line number and the latitude, longitude, and time (year, Julian day, hour, minute, second) at start of line. The valley was surveyed in sections. Blocks of line numbers, in increments of 100, were assigned for each section. Line numbers in the outer portion of the survey begin with 8000.

Entity_and_Attribute_Detail_Citation: U.S. Geological Survey

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey - ScienceBase

Contact_Address:

Address_Type: mailing and physical address
Address: Denver Federal Center
Address: Building 810
Address: Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225

Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov

Resource_Description:

hsv_2000_nav.zip: contains hsv_2000_nav.shp (and other files associated with a shapefile), hsv_2000_nav_browsegraphic.jpg browse graphic, and CSDGM FGDC-compliant metadata in XML, HTML, and TXT formats.

Distribution_Liability:

Neither the U.S. Government, the Department of the Interior, nor the U.S. Army Corps of Engineers, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: shapefile
Format_Version_Number: ArcGIS 9.3
Format_Specification: Esri shapefile
Format_Information_Content:

Esri shapefile of navigation and associated metadata of a multibeam survey of the Hudson Shelf Valley carried out in 2000 compressed in a zip file.

File_Decompression_Technique: zip
Transfer_Size: 0.8

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

https://www.sciencebase.gov/catalog/file/get/589a1fdce4b0efcedb71a599?name=hsv_2000_nav.zip

Network_Resource_Name:

https://www.sciencebase.gov/catalog/file/get/589a1fdce4b0efcedb71a599

Network_Resource_Name:

https://www.sciencebase.gov/catalog/item/589a1fdce4b0efcedb71a599

Network_Resource_Name: https://doi.org/10.5066/F7C53J1Z

Access_Instructions:

The network resources offer the options of downloading all the files, individual files, or accessing the landing page of the data.

Fees: none

Technical_Prerequisites:

The navigation shapefile from the 2000 Hudson Shelf Valley survey is compressed into a zip file (hsv_2000_nav.zip). To use these data, the user must have software capable of uncompressing the zip file and ArcGIS or another GIS application package capable of viewing the data.

Metadata_Reference_Information:

Metadata_Date: 20240319
Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey
Contact_Person: Bradford Butman

Contact_Address:

Address_Type: mailing and physical address
Address: Woods Hole Coastal and Marine Science Center
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Country: USA

Contact_Voice_Telephone: 508-548-8700 x2212
Contact_Electronic_Mail_Address: whsc_data_contact@usgs.gov
Contact_Instructions:

The metadata contact email address is a generic address in the event the person is no longer with USGS. (updated on 20240319)

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

This page is <https://cmgds.marine.usgs.gov/catalog/whcmsc/SB_data_release/DR_F7C53J1Z/hsv_2000_nav.shp_meta.html>