PNG formatted images of mulitchannel boomer seismic-reflection profiles collected by the U.S. Geological Survey in Vineyard Sound and Buzzards Bay, MA, 2010.

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2014
Title:
PNG formatted images of mulitchannel boomer seismic-reflection profiles collected by the U.S. Geological Survey in Vineyard Sound and Buzzards Bay, MA, 2010.
Edition: 1.0
Geospatial_Data_Presentation_Form: remote-sensing image
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2013-1020
Publication_Information:
Publication_Place:
Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.3133/ofr20131020
Online_Linkage:
https://pubs.usgs.gov/of/2013/1020/GIS_catalog/seisimage/boomer/2010-047_seisimage.zip
Larger_Work_Citation:
Citation_Information:
Originator: Elizabeth A. Pendleton
Originator: Brian D. Andrews
Originator: William W. Danforth
Originator: David S. Foster
Publication_Date: 2014
Title:
High-resolution geophysical data collected aboard the U.S. Geological Survey research vessel Rafael to supplement existing datasets from Buzzards Bay and Vineyard Sound, Massachusetts
Edition: 1.0
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2013-1020
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.3133/ofr20131020
Online_Linkage: https://pubs.usgs.gov/of/2013/1020/
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 (https://woodshole.er.usgs.gov/project-pages/coastal_mass/). The data collected in this study area are located in both Buzzards Bay and Vineyard Sound and are primarily in the shallow water areas around the eastern Elizabeth Islands and Martha's Vineyard, Massachusetts. The data include high resolution bathymetry, acoustic-backscatter intensity, sound velocity in water, seismic-reflection profiles, and navigation data. These data were collected during several cruises between 2007 and 2011 onboard the R/V Rafael using the following equipment: an SEA Ltd SwathPlus interferometric sonar (234 kHz), Klein 3000 dual frequency sidescan sonar, a boomer source and Geometrics 8-channel GeoEel streamer, a Knudsen 3200 subbottom profiling system, and 4 GPS antennae. More information about the cruises 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 webpages: https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-013-FA, https://cmgds.marine.usgs.gov/fan_info.php?fan=2009-068-FA, https://cmgds.marine.usgs.gov/fan_info.php?fan=2007-039-FA, https://cmgds.marine.usgs.gov/fan_info.php?fan=2010-100-FA, and https://cmgds.marine.usgs.gov/fan_info.php?fan=2010-047-FA.
Purpose:
PNG images of each seismic profile were generated in order to incorporate images of the seismic data into Geographic Information System (GIS) projects and data archives. These PNG images represent approximately 170 km of multichannel boomer seismic data collected with a GeoAcoustics boomer source and Geometrics 8-channel GeoEel streamer from July 7 to 19, 2010. This format is universal and yields an easily browseable pictorial view of the seismic profiles. Each profile image is hotlinked to its corresponding trackline navigation contained within a polyline shapefile, and even 500 trace locations are available in a point shapefile. All of these data are available in a Esri ArcMap project, as well as separate .zip archives.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20100707
Ending_Date: 20100719
Currentness_Reference:
ground condition. No data were recorded on 20100710 to 20100713 due to weather conditions
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -70.608454
East_Bounding_Coordinate: -70.882762
North_Bounding_Coordinate: 41.677964
South_Bounding_Coordinate: 41.361526
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:366fd8d6-546a-4565-9db5-1c98837fcf10
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: PNG
Theme_Keyword: seismic-reflection
Theme_Keyword: SEGY
Theme_Keyword: profiles
Theme_Keyword: seismic
Theme_Keyword: subbottom
Theme_Keyword: image
Theme_Keyword: boomer
Theme_Keyword: Applied Acoustics
Theme_Keyword: Geometrics
Theme_Keyword: WHCMSC field activity serial number 2010-047-FA
Theme_Keyword: R/V Rafael
Theme_Keyword: SEG-Y
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme_Keyword: imageryBaseMapsEarthCover
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: sub-bottom profiling
Theme_Keyword: image collections
Theme_Keyword: marine geophysics
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: North America
Place_Keyword: Atlantic Ocean
Place_Keyword: Massachusetts
Place_Keyword: Vineyard Sound
Place_Keyword: Middle Ground Shoal
Place_Keyword: Lucas Shoal
Place_Keyword: United States
Place_Keyword: Buzzards Bay
Access_Constraints: None
Use_Constraints:
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 S. Foster
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 x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name:
https://pubs.usgs.gov/of/2013/1020/GIS_catalog/seisimage/boomer/2010-047-FA/boomer_047.png
Browse_Graphic_File_Description: PNG image of multichannel boomer seismic reflection profile
Browse_Graphic_File_Type: PNG
Native_Data_Set_Environment:
Microsoft Windows Vista Version 6.1 (Build 7601) Service Pack 1; ESRI ArcCatalog 9.3.1.1850
Cross_Reference:
Citation_Information:
Originator: Andrews, B.D.
Originator: Ackerman, S.D.
Originator: Baldwin, W.E.
Originator: Foster, D.S.
Originator: Schwab, W.C.
Publication_Date: 2013
Title:
High-Resolution Geophysical Data From the Inner Continental Shelf at Vineyard Sound, Massachusetts
Edition: 1.0
Geospatial_Data_Presentation_Form: vector and raster digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2012-1006
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2012/1006/
Cross_Reference:
Citation_Information:
Originator: Ackerman, S.D.
Originator: Andrews, B.D.
Originator: Foster, D.S.
Originator: Baldwin, W.E.
Originator: Schwab, W.C.
Publication_Date: 2013
Title:
High-Resolution Geophysical Data from the Inner Continental Shelf: Buzzards Bay, Massachusetts
Edition: 1.0
Geospatial_Data_Presentation_Form: vector and raster digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2012-1002
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2012/1002/
Cross_Reference:
Citation_Information:
Originator: Pendleton, E.A.
Originator: Twichell, D.C.
Originator: Foster, D.S.
Originator: Worley, C.R.
Originator: Irwin, B.J.
Originator: Danforth, W.W.
Publication_Date: 2012
Title:
High-Resolution Geophysical Data From the Sea Floor Surrounding the Western Elizabeth Islands, Massachusetts
Edition: 1.0
Geospatial_Data_Presentation_Form: vector and raster digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2011-1184
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2011/1184/
Cross_Reference:
Citation_Information:
Originator: Turecek, A.M.
Originator: Danforth, W.W.
Originator: Baldwin, W.E.
Originator: Barnhardt, W.A.
Publication_Date: 2012
Title:
High-Resolution Geophysical Data Collected Within Red Brook Harbor, Buzzards Bay, Massachusetts, in 2009
Edition: 1.0
Geospatial_Data_Presentation_Form: vector and raster digital data
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2010-1091
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/of/2010/1091/
Cross_Reference:
Citation_Information:
Originator: John Stockwell
Publication_Date: 2008
Title: CWP/SU: Seismic Uni*x
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Publication_Information:
Publication_Place: Golden, CO
Publisher: Center for Wave Phenomena - Colorado School of Mines
Other_Citation_Details: version 43R3
Online_Linkage: http://www.cwp.mines.edu/cwpcodes/index.html
Cross_Reference:
Citation_Information:
Originator: Paul Henkart
Publication_Date: 2007
Title: SIOSEIS
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Publication_Information:
Publication_Place: LaJolla, CA
Publisher:
Scripps Institution of Oceanography, University of California - San Diego
Online_Linkage: http://sioseis.ucsd.edu/index.html
Cross_Reference:
Citation_Information:
Originator: Michael W. Norris
Originator: Alan K. Faichney
Publication_Date: 2002
Title: SEGY Rev.1 Data Exchange Format1
Edition: 1.0
Geospatial_Data_Presentation_Form: document
Publication_Information:
Publication_Place: Tulsa, OK
Publisher: Society of Exploration Geophysicists
Online_Linkage: http://www.seg.org/documents/10161/77915/seg_y_rev1.pdf
Data_Quality_Information:
Logical_Consistency_Report:
Processed seismic data were converted to portable network graphic (PNG) format for ease of seismic trace display. Quality control was conducted during processing. File naming for Julian days 193 to 194 is x_yz.png, where x is the Julian Day and y is the time of day in hours, and z is the time of day in minutes with an implied decimal value of one. Note the time was based on system time and not GPS time for Julian days 193 to 194. A time server was installed for Julian days 198 to 200 and system time was synced with GPS time. For Julian days 198 to 200 file names is x_lyfz.png where x is Julian day, y is the survey line number, and z is the file number within the survey line.
Completeness_Report:
No data were collected on Julian days 195 to 197 due to weather conditions.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
The navigation for these data were acquired with an Communications Systems International (CSI), Inc. LGBX Pro Differential Global Positioning System (DGPS) receiver and an antenna mounted on the cabin of the R/V Rafael. All DGPS data are referenced to WGS84. The Geometrics CNT-1 acquisition software logged the navigation coordinates (in arc seconds) to individual trace headers. Layback distance between the CSI antenna and the source and receiver were calculated in postprocessing. The resulting horizontal accuracy is assumed to be +/- 2 m; however, inaccuracies likely exceed this value due to uncertainty of azimuths calculated in the layback correction.
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: online
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20100707
Ending_Date: 20100719
Source_Currentness_Reference:
No data were recorded on 20100710 to 20100713 due to weather conditions
Source_Citation_Abbreviation: USGS
Source_Contribution:
Approximately 170 km of high-resolution multichannel boomer seismic-reflection profiles were collected. The Applied Acoustics boomer source was towed on the starboard side of the RV Rafael at a depth of 0.5 meters, 10 meters aft of the GPS antenna, and was fired at a power level of 100 joules at 0.5 second intervals for the first line and then at 1-second intervals thereafter with trace lengths of 250 milliseconds. The Geometrics GeoEel, eight-channel liquid filled digital streamer was towed from the port side of the vessel at a depth of about 1 meter, and the center of the first channel of the active section was 22 meters aft of the boomer source. The streamer had a group interval of 3.125 meters (50 meter active section) connected to Geometrics Streamer Power Supply Unit (SPSU). Data acquired in Geometrics SEG-D format on Windows PC controller system using Geometrics CNT-1 software. The sample interval was 0.25 ms.
Process_Step:
Process_Description:
A SIOSEIS seismic processing software script was used as follows: the raw SEG-D shot files were read with the process SEGDDIN specifying geometrics format; for Julian days 193 to 194, the SEG-D files were read, the process HEADER was used to insert time of day into the SEG-Y header based on the start and end times recorded in the HYPACK files and what was entered in the survey log and SEG-Y files were written.; For JD 193 to 194 these SEG-Y files were input to the remaining steps. For all other days, the SEG-D files were used as input. the process GEOM was used to describe the shot and streamer geometries and to calculate the reflection point (CDP) numbers used to gather (sort traces by CDP) the seismic line; the process GEOM was used to set the shot-receiver distance into the trace header of every trace; GEOM type 6 was specified (because positions were absent or bad in the header), which computes a distance from last shot (DFLS) for each shot based on the shot time in the header and the navigation from an ASCII file containing time and position; the ASCII shot navigation file was derived from the HYPACK navigation data and merged with shot point files with the Unix join command; a normal move out (NMO) applied a travel time correction to each trace based on offset and a velocity of 1500 m/s; process GATHER was used to sort the shot order traces into traces sorted by the CDP numbers computed by the process GEOM; lastly, the CDP trace gathers were written with the process DISKOX in SEG-Y rev. 1, IEEE floating point format.
Process_Date: 20110120
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
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 x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
A SIOSEIS script was used to stack the CDP gathers, apply a bandpass filter and automatic gain control. The process DISKIN read the CDP sorted SEG-Y file and renumbered CDP starting at one and incremented CDP number by one. The process STACK was used to sum traces, compute the average amplitude for each trace sample, and write the computed samples to one trace. The trace header values of the first trace in the gather were used for the stacked trace. The process FILTER applied a zero-phase bandpass frequency domain filter between 600 and 2000 Hz with a slope of 48 decibel per octave slope. The process AGC applied an automatic gain control (AGC) with a window length of 5 ms. The computed multiplier for each AGC window was reduced by fifty percent. Lastly, the processed stacked traces were written to disk with the process DISKOX in SEG-Y rev. 1 , IEEE floating point format.
Process_Date: 20110120
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
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) 548-8700x2271
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
A Seismic Unix (version 4.0) script was used to read the stacked, filtered and gained SEG-Y files and plot the data as 8-bit gray scale Postscript files using the Seismic Unix 'psimage' algorithm. All images were created with a horizontal scale of 60 traces per inch. Images were plotted within a constant 18-inch vertical window of 180 milliseconds (Two-Way Travel Time) duration. The Postscript images were then converted with ImageMagick (version 6.8.7-2) to PNG format at 200 dpi.
Process_Date: 20130409
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
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 x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
Edits to the metadata were made to fix any errors that MP v 2.9.36 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.). Attempted to modify http to https where appropriate. Added the DOI link in the Identification section - both as the first link and as part of the Larger Work citation. Fixed the publication date and also the Larger Work citation title to match what is available online. Updated the link to the project page in the abstract as well as the field activity links. The source information was incomplete and had to be modified to meet the standard. Fixed a link in the distribution section. 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: 20171005
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: 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: 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: 3986
Column_Count: 13636
Vertical_Count: 1
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: PNG
Format_Version_Number: ImageMagick 6.8.7-2
Format_Specification: PNG
Format_Information_Content:
WinZip (v 14.5) files contains compressed images of processed seismic-reflection profiles as well as associated metadata.
File_Decompression_Technique: Use WinZip or pkUnzip
Transfer_Size: 177
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
https://pubs.usgs.gov/of/2013/1020/GIS_catalog/seisimage/boomer/2010-047_seisimage.zip
Network_Resource_Name:
https://pubs.usgs.gov/of/2013/1020/html/ofr2013-1020_GIS_catalog.html
Access_Instructions: Data can be downloaded via the World Wide Web (WWW)
Fees: none
Custom_Order_Process:
Digital copies of these boomer seismic data may also be obtained in the SEG-Y Rev. 1 standard format upon request. The data would be packaged on DVD, and contain the stacked traces.
Technical_Prerequisites: These data can be viewed with any PNG image viewing software.
Metadata_Reference_Information:
Metadata_Date: 20240318
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: David S. Foster
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 x2271
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
This page is <https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2013-1020/2010-047-FA_boomer.html>
Generated by mp version 2.9.51 on Mon Mar 25 16:05:42 2024