Interpolated swath bathymetry shaded relief image collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center surrounding the nearshore of the Elizabeth Islands, MA, 2010 (ei_2hm_shdrlf_image_dd.tif, GeoTIFF)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2012
Title:
Interpolated swath bathymetry shaded relief image collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center surrounding the nearshore of the Elizabeth Islands, MA, 2010 (ei_2hm_shdrlf_image_dd.tif, GeoTIFF)
Edition: 1.0
Geospatial_Data_Presentation_Form: remote-sensing image
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2011-1184
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/10.3133/ofr20111184
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Elizabeth A. Pendleton
Originator: David C. Twichell
Originator: David S. Foster
Originator: Charles R. Worley
Originator: Barry J. Irwin
Originator: William W. Danforth
Publication_Date: 2012
Title:
High-resolution geophysical data from the sea floor surrounding the western Elizabeth Islands, Massachusetts
Edition: 1.0
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2011-1184
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: http://pubs.usgs.gov/of/2011/1184/
Description:
Abstract:
These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program, Woods Hole Coastal and Marine Science Center (WHCMSC). Initiated in 2003, the primary objective of this program is to develop regional geologic framework information for the management of coastal and marine resources. Accurate data and maps of seafloor geology are important first steps toward protecting fish habitat, delineating marine resources, and assessing environmental changes due to natural or human impacts. The project is focused on the inshore waters of coastal Massachusetts, primarily in water depths of 2-30 meters. Data collected for the mapping cooperative have been released in a series of USGS Open-File Reports (<http://woodshole.er.usgs.gov/project-pages/coastal_mass/>). The data collected in this study area located around the western extent of the Elizabeth Islands includes high resolution bathymetry, acoustic-backscatter intensity, seismic-reflection, and navigation data. These data were collected during a nearshore cruise in September 2010 onboard the R/V Rafael using the following equipment: an SEA Ltd SwathPlus interferometric sonar (234 kHz), Klein 3000 dual frequency sidescan sonar, an Edgetech 424 chirp subbottom profiling system, and 4 GPS antennae. More information about the cruise conducted as part of the project: Geologic Mapping of the Seafloor Offshore of Massachusetts can be found on the Woods Hole Coastal and Marine Science Center Field Activity webpage: <http://quashnet.er.usgs.gov/data/2010/10003/>
Purpose:
This color-shaded relief image represents approximately 24.5 square km of bathymetric data that were collected in 2010. These data are used to define the sea-floor morphology surrounding the nearshore of the western Elizabeth Islands, Massachusetts.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20100910
Ending_Date: 20100916
Currentness_Reference: Data were not collected on 20100915 due to weather conditions.
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -70.995552
East_Bounding_Coordinate: -70.847928
North_Bounding_Coordinate: 41.462328
South_Bounding_Coordinate: 41.387990
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:9f7e8c1d-36fc-4384-b629-48e392ebc9cc
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Woods Hole Coastal and Marine Science Center
Theme_Keyword: WHCMSC
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: CMGP
Theme_Keyword: bathymetry
Theme_Keyword: swath bathymetry
Theme_Keyword: interferometry
Theme_Keyword: sea-floor morphology
Theme_Keyword: WHCMSC field activity serial number 2010-003-FA
Theme_Keyword: GeoTIFF image
Theme_Keyword: R/V Rafael
Theme_Keyword: Info Bank ID R-3-10-BZ
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: elevation
Theme_Keyword: geoscientificInformation
Theme_Keyword: imageryBaseMapsEarthCover
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: sea-floor characteristics
Theme_Keyword: marine geophysics
Theme_Keyword: computational methods
Theme_Keyword: geospatial datasets
Theme_Keyword: interferometric sonar
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: North America
Place_Keyword: Atlantic Ocean
Place_Keyword: Massachusetts
Place_Keyword: Cuttyhunk Island
Place_Keyword: Nashawena Island
Place_Keyword: Elizabeth Islands
Place_Keyword: Buzzards Bay
Place_Keyword: Vineyard Sound
Place_Keyword: Quicks Hole
Place_Keyword: Cuttyhunk Harbor
Place_Keyword: Sow and Pigs Reef
Place_Keyword: Penikese Island
Place_Keyword: Gull Island
Place_Keyword: United States
Access_Constraints: None
Use_Constraints:
Not to be used for navigation. The Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of the dataset.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David C. Twichell
Contact_Organization: U.S. Geological Survey
Contact_Position: Oceanographer
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2266
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: dtwichell@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description:
Woods Hole Coastal and Marine Science Center Swath interferometric bathymetry image surrounding the nearshore of the Elizabeth Islands, MA
Browse_Graphic_File_Type: PNG
Native_Data_Set_Environment:
Microsoft Windows 7 Enterprise Service Pack 1; ArcGIS Desktop 9.3 Service Pack 1; Build 1850
Cross_Reference:
Citation_Information:
Originator: J. F. Luis
Publication_Date: 2007
Title: Mirone: A multi-purpose tool for exploring grid data.
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: Computers and Geosciences
Issue_Identification: 33
Publication_Information:
Publication_Place: Amsterdam
Publisher: Elsevier
Cross_Reference:
Citation_Information:
Originator: Calder, B.R.
Publication_Date: 2003
Title: Automatic Statistical Processing of Multibeam Echosounder Data
Geospatial_Data_Presentation_Form: document
Series_Information:
Series_Name: International Hydrographic Review
Issue_Identification: Volume 4
Publication_Information:
Publication_Place: The Netherlands
Publisher: INT HYDROGRAPHIC BUREAU
Data_Quality_Information:
Logical_Consistency_Report: Any spurious data points were removed during processing.
Completeness_Report:
All the bathymetric data from cruise 2010-003-FA were used to generate this GeoTIFF image, however, l13f1 and l22f1 were corrupted during acquisition, so these lines are not complete. The generator shorted out causing write errors in the raw swath file.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The navigation for these data was acquired with a Coda Octopus F180 Differential Global Positioning System + Wide Area Augmentation System (DGPS+WAAS); they are accurate to + or - 1 to 2 meters, horizontally. All DGPS data are referenced to WGS84, and the horizontal distance between the pole-mounted interferometric sonar transducers, 0.5m below the sea surface, and the DGPS antennae located on the same pole on the bow of the R/V Rafeal, 2.5 m above the sea surface, are corrected.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
The theoretical vertical resolution of the SEA Ltd SwathPlus interferometric sonar is 1 % of water depth, approximately 0.03 to 0.25 m within the study area. An Octopus F180 Attitude and Positioning system was used to correct for vessel roll, pitch, heave, and yaw, which has a theoretical vertical accuracy of a few mm. Tidal offsets were corrected to MLLW using RTK GPS heights. Field tests using submerged targets suggest that the vertical accuracy of the RTK tidal correction is less than 30 cm. Gridding algorithms and cell sizes for these data could introduce errors as great as 3 m along the edges of the data. Gridding-induced errors are likely much smaller (< 0.2 m) for most of the study. Changes in ship draft due to water and fuel usage were not considered. Total vertical accuracy for these data are assumed to be + or - 50 cm.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: unknown
Title: Information unavailable from original metadata.
Type_of_Source_Media: disc
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20100910
Ending_Date: 20100916
Source_Currentness_Reference: Data were not collected on 20100915 due to weather conditions.
Source_Citation_Abbreviation: Information unavailable from original metadata.
Source_Contribution:
Swath data acquisition at sea (2010): These bathymetric data were collected with a 234 kHz SEA Ltd Swathplus interferometric sonar mounted on the bow of the R/V Rafael of Woods Hole, MA. Data were acquired between Sept. 10, 2010 and Sept. 18, 2010. All data were acquired with SwathPlus Software (version: 3.7.0). Tracklines are spaced 100 m apart in the shore parallel direction.
Process_Step:
Process_Description:
SwathPlus Software (version: 3.7.0) was used to acquire the raw swath data (*.sxr) and output a processed soundings file (*.sxp). Several bathy filters were applied to the processed file within SwathPlus to remove erroneous soundings and reduce the density of the data. Corrections were also applied for speed of sound changes (using sound velocity profiles), ship motion, GPS antennae offsets, and transducer depth and angle below the surface. Bathy filters included a low amplitude (100%), range (1-m below the surface), box (2-m to avoid nadir), alongtrack 1 (depth difference of 10-m, window size 10-m, and learn rate of 0.6), alongtrack 2 (depth difference of 1-m, window size 1-m, and learn rate of 0.9), and a mean filter (0.1-m).Several lines (l91f1-l100f1) were in very shallow water between Nashawena and Cuttyhunk. The filters used above for the majority of the survey were not tracking the seafloor well in very shallow water. All filters except the low amplitude and mean filter were turned off for these shallow water lines, to allow more data into the processed file. This procedure resulted in more editing later in CARIS, but it preserved more good data as well.
Process_Date: 2010
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth A. Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2259
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: ependleton@usgs.gov
Process_Step:
Process_Description:
CARIS (version: HIPS and SIPS 7.0; service pack 2) was used to further process, finalize, and create a surface from the bathy files (*.sxp) from SwathPlus. CARIS processing with HIPS (hydrographic information processing system) has a workflow that ensures the user has done all necessary corrections to the soundings before creating a final gridded surface. The workflow starts with creating a vessel file (the R/V Rafael for this cruise). The vessel file contains any information related to GPS, MRU, and water level offsets that weren't included during acquisition using SwathPlus. Additionally, the user can report any errors in offsets (i.e. MRU to transducer measurement error, usually around 1-2 cm), which will later be used to calculate TPU (total propagated uncertainty), which is a requirement for CUBE (Combined Uncertainty and Bathymetry Estimator) editing (Calder, 2003). The next steps in the HIPS workflow include creating a project and converting the *.sxp data to CARIS HDCS (hydrographic cesar) format. Sound velocity corrections are the next step in data processing. Errors in soundings due to additional sound refraction not accounted for by sound velocity profiles were done using the CARIS refraction editor. These artifacts can be recognized in a cross-swath profile of a relatively flat patch of sea floor. When viewing the swath data across a profile, the sea floor will appear to have a "frown" or "smile" when in fact the data should be flat across the profile. Insufficient and/or erroneous sound velocity information results in an under or over-estimate of water depth, which increases with distance from the center of the swath. Next a tide correction was applied in CARIS (described in the next process step) and merged with the soundings, and then the TPU was calculated in order to utilize the CUBE editor, which is an uncertainty based data cleaning tool that creates a 'best estimate' surface for the soundings. The cube surface is then used to further QC the soundings. Some lines required swath editing or subset editing as well as automated filtering, especially in the shallow water areas (l91f1-l100f1). The final step in the workflow was to finalize the surface (at 2.5 m resolution) and export it from CARIS in XYZ format, which can then be imported to other programs.
Process_Date: 2010
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth A. Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2259
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: ependleton@usgs.gov
Process_Step:
Process_Description:
In order to apply a tidal correction to the soundings, an offset from Mean Sea Level MSL) to Mean Lower Low Water (MLLW) (-0.676 m) was entered into the HYPACK configuration file for the RTK device (dev 0) setup prior to the survey. This value was calculated by setting a DGPS antenna on a number of survey stations around Buzzard's Bay and using the bench mark sheets in conjunction with the DGPS height calculations to determine the offset from MLLW to MSL. Calculated HYPACK RTK water level heights were then extracted from the raw HYPACK files using an AWK script (parseNovatelHypackTides.awk), which calculates the MLLW tide value for each Julian day of the survey. An offset of 2.9 meters was added to each calculated tide value (TID 0) to compensate for the RTK antenna to water line offset, and then the sign was inverted. Since HYPACK reports water level heights relative to MLLW, heights above the MLLW datum are reported as negative values because they are above the datum per standard surveying XYZ convention. The file resulting from running the AWK script produces a file of MLLW tidal height corrections formatted in the CARIS TID file format: YYYY/MM/DD HH:MM 0.00 where 0.00 is the correct water level height. The RTK heights were then merged into the processed CARIS depth soundings in the bathy processing workflow using the Tide load and Merge functions.
Process_Date: 2010
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth A. Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700 x2259
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: ependleton@usgs.gov
Process_Step:
Process_Description:
The 2.5 meter tide corrected base surface that was finalized and exported from CARIS was gridded in ArcMap (version 9.3) using 3D Analyst - natural neighbors. An output cell-size of 2.5 meters was used, and NoData values were interpolated within the domain. A shapefile polygon representing the survey boundary was used to clip the grid to the extent of the data, and the grid was projected from WGS84 UTM Zone 19N to WGS84 Geographic Coordinate System using ArcToolbox. The interpolated grid in GCS was then brought into MATLAB (version R2011a) using the Mirone toolbox (version: 2.1.1 ) (Luis, 2007). A color palette called "Earth" was chosen and the grid was hillshaded using a preset hillshade (Puecker). The grid was then exported as a GeoTIFF with a world file from Mirone.
Process_Date: 20110504
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2259
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: ependleton@usgs.gov
Process_Step:
Process_Description:
Edits to the metadata were made to fix any errors that MP v 2.9.32 flagged. This is necessary to enable the metadata to be successfully harvested for various data catalogs. In some cases, this meant adding text "Information unavailable" or "Information unavailable from original metadata" for those required fields that were left blank. Other minor edits were probably performed (title, publisher, publication place, etc.). Fixed a link to the project page in the abstract. The source information was incomplete and had to be modified to meet the standard. Both geographic and a planar coordinate systems were present, the planar coordinate system was removed. The distribution format name was modified in an attempt to be more consistent with other metadata files of the same data format. The metadata date (but not the metadata creator) was edited to reflect the date of these changes. The metadata available from a harvester may supersede metadata bundled within a download file. Compare the metadata dates to determine which metadata file is most recent.
Process_Date: 20160601
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
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543
Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@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: Crossref DOI link was added as the first link in the metadata.
Process_Date: 20191118
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: 20200908
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: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 2798
Column_Count: 5557
Vertical_Count: 1
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000027
Longitude_Resolution: 0.000027
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:
Overview_Description:
Entity_and_Attribute_Overview:
NODATA is represented by black (0-0-0).There are no attributes associated with a TIFF image. Pixel values convey RGB values of individual cells. Warmer colors (e.g. red) are shallower depths; cooler colors are deeper.
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth A. Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700x2259
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: ependleton@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
Neither the U.S. Government, the Department of the Interior, nor the USGS, 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: GeoTIFF
Format_Information_Content:
This WinZip file contains a GeoTIFF image (and TIFF world file - tfw) of the bathymetry collected in the nearshore surround the Elizabeth Island MA, and the associated metadata.
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 6.75
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data can be downloaded via the World Wide Web (WWW)
Offline_Option:
Offline_Media: DVD-ROM
Recording_Capacity:
Recording_Density: 4.75
Recording_Density_Units: Gbytes
Recording_Format: UDF
Fees: None
Technical_Prerequisites:
The image contained in the zip file is available as a GeoTIFF with a *.tfw (world file). To utilize this data, the user must have an image viewer, or an image processing or GIS software package capable of importing a TIFF image with a world file
Metadata_Reference_Information:
Metadata_Date: 20240318
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Elizabeth A. Pendleton
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: 508-548-8700 x2259
Contact_Facsimile_Telephone: (508)-457-2310
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 20240318)
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Access_Constraints: None
Metadata_Use_Constraints: None

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