Trackline navigation for 512i seismic-reflection data collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014 (Esri polyline shapefile, GCS WGS 84)

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2015
Title:
Trackline navigation for 512i seismic-reflection data collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014 (Esri polyline shapefile, GCS WGS 84)
Edition: 1.0
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F7MW2F60
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/10.5066/F7MW2F60
Online_Linkage: Larger_Work_Citation:
Citation_Information:
Originator: Elizabeth A. Pendleton
Originator: S.D. Ackerman
Originator: W.E. Baldwin
Originator: W.W. Danforth
Originator: D.S. Foster
Originator: E.R. Thieler
Originator: L.L. Brothers
Publication_Date: 2015
Title:
High-resolution geophysical data collected along the Delmarva Peninsula 2014, U.S. Geological Survey Field Activity 2014-002-FA
Edition: 2.0
Geospatial_Data_Presentation_Form: view
Series_Information:
Series_Name: data release
Issue_Identification: DOI:10.5066/F7MW2F60
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://doi.org/10.5066/F7MW2F60
Description:
Abstract:
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological Survey cruise was conducted in the summer of 2014 to map the inner continental shelf of the Delmarva Peninsula using geophysical and sampling techniques to define the geologic framework that governs coastal system evolution at storm-event and longer timescales. Data collected during the 2014 cruise include swath bathymetry, sidescan sonar, chirp and boomer seismic-reflection profiles, acoustic Doppler current profiler, and sample and bottom photograph data. Processed data in raster and vector format are released here for the swath bathymetry, sidescan sonar, and seismic-reflection profiles. More information about the USGS survey conducted as part of the Hurricane Sandy Response-- Geologic Framework and Coastal Vulnerability Study can be found at the project website or on the WHCMSC Field Activity Web pages: https://woodshole.er.usgs.gov/project-pages/delmarva/ and https://cmgds.marine.usgs.gov/fan_info.php?fan=2014-002-FA
Purpose:
This dataset contains trackline navigation for approximately 4500 km of 512i chirp seismic-reflection data collected by the U.S. Geological Survey during cruise 2014-002-FA along the Delmarva Peninsula, MD and VA. This information can help spatially correlate the seismic-reflection profiles with other data in the GIS.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20140618
Ending_Date: 20140722
Currentness_Reference:
ground condition; data were not collected on 20140702-20140704; 20140709; and 20140714-20140715 due to weather.
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -75.567695
East_Bounding_Coordinate: -74.687529
North_Bounding_Coordinate: 38.430403
South_Bounding_Coordinate: 37.538209
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:4a6cc72f-a35d-4cec-913b-ba232a9b4542
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: seismic profile
Theme_Keyword: trackline navigation
Theme_Keyword: seismic navigation
Theme_Keyword: seismic reflection
Theme_Keyword: WHCMSC field activity serial number 2014-002-FA
Theme_Keyword: M/V Scarlett Isabella
Theme_Keyword: chirp
Theme_Keyword: 512i
Theme_Keyword: Esri shapefile
Theme_Keyword: EdgeTech SB-512i Sub-bottom Profiler
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: location
Theme_Keyword: oceans
Theme_Keyword: geoscientificInformation
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: North America
Place_Keyword: Atlantic Ocean
Place_Keyword: United States
Place_Keyword: Maryland
Place_Keyword: Delaware
Place_Keyword: Virginia
Place_Keyword: Assateague Island
Place_Keyword: Ocean City
Place_Keyword: Wallops Island
Place_Keyword: Parramore Island
Place_Keyword: Chincoteague Island
Place_Keyword: Chincoteague Bay
Place_Keyword: Delaware Bay
Place_Keyword: Assateague Island National Seashore
Place_Keyword: Chincoteague National Wildlife Refuge
Place_Keyword: Isle of Wight Bay
Place_Keyword: Fenwick Island
Place_Keyword: Assawoman Bay
Place_Keyword: Cape Henlopen
Place_Keyword: Rehoboth Beach
Place_Keyword: Delaware Seashore State Park
Place_Keyword: Bethany Beach
Place_Keyword: Toms Cove
Place_Keyword: Berlin
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: 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: ependleton@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: Browse_Graphic_File_Description:
Woods Hole Coastal and Marine Science Center 512i tracklines along the Delmarva Peninsula
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
Data_Quality_Information:
Logical_Consistency_Report:
Any spurious data points were removed during processing. For each seismic trackline there is one seismic-profile image that is hyperlinked by the field 'image'. No duplicates exist.
Completeness_Report:
Sections of tracklines where navigation was recorded but no seismic data were logged are not included such as turns and transits.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Differential Global Positioning System (DGPS) navigation data were acquired with a Hemisphere receiver and recorded with HYPACK (www.hypack.com). The DGPS antenna was located on the port-side of the acquisition van. The SB-0512i was mounted on a catamaran sled and towed at the sea surface approximately 43 m astern of the M/V Scarlett Isabella. Fish depth below water line was 0.5 meters below catamaran floats. The GPS offset from sheave was x = 8.75 m; y = -43 m; z = 0. Navigation data were sent to SonarWiz (version 5) acquisition application and offsets were recorded in the acquisitions software, which logged the coordinates to individual trace headers SEG-Y and JSF format. Positional accuracy is assumed to be better than 10 m and is primarily related to changes in cable-out related to fish and sled motion behind the boat.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 2015
Title: 512i navigation
Geospatial_Data_Presentation_Form: vector digital data
Type_of_Source_Media: disc
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20140618
Ending_Date: 20140722
Source_Currentness_Reference:
ground condition; data were not collected on 20140702-20140704; 20140709; and 20140714-20140715 due to weather.
Source_Citation_Abbreviation: SEG-Y and JSF 512i data
Source_Contribution:
Chirp seismic data were collected using an EdgeTech Geo-Star FSSB sub-bottom profiling system and an SB-0512i towfish (0.5-12 kHz), which was mounted on a catamaran and towed astern of the M/V Scarlett Isabella of Cape May, NJ. Chesapeake Technologies' SonarWiz (v.5.00.0015) seismic acquisition software was used to control the Geo-Star topside unit, digitally log trace data in the SEG-Y Rev. 1 format (IEEE floating point) and JSF format, and record GPS navigation coordinates to the SEG-Y trace headers (in arc seconds of Latitude and Longitude, multiplied by a scalar of 100). Data were acquired using a 250 ms shot rate, a 5-ms pulse length, and a 0.5 to 8 kHz frequency sweep. Recorded trace lengths were approximately 180 ms.
Process_Step:
Process_Description:
Scripts within SIOSEIS (version 2010.2.25) and Seismic Unix (version 4.2) were used to process SEG-Y data, create navigation files, and plot images. The processing flow and scripts used to produce layback corrected navigation files including trackline shapefiles and shotpoints are summarized below and in the following processing steps.
1. SIOSEIS (version 2010.2.25) was used to read SEG-Y files, renumber shots starting from one, and write out new SEG-Y files. The original shot numbers, which were assigned by SonarWiz sequentially over the duration of an acquisition session despite SEG-Y file changes, are preserved in the raw SEG-Y data. 2. Sio_medianstk was used to remove S-boom cross talk (when multi-channel streamer lines were recorded simultaneously: Julian Day 169-178) with a two-trace median stack and improve water bottom picking. This script was used for all lines even after multi-channel streamer was turned off, due to the improvements made to water bottom picks. 3. Read512i_mstk was used to read median filtered stacked and renumbered SEG-Y files, write a Seismic Unix file, and extract SEG-Y trace header information, including shot number, longitude, latitude, year, Julian day, and time of day (UTC). Header information from each SEG-Y file was saved to text files after an AWK (no version) filter was used to maintain the first and last shots, shots at multiples of 100, and shots with unique navigation coordinates. Geographic coordinates (WGS84) were converted to UTM zone 18 coordinates (WGS84) using Proj (version 4.6.0). End shots and shots at multiples of 100 may not have unique navigation coordinates. Separate text files containing the first and last shots and even 500 shot intervals were also saved. A 500 shot interval was chosen because it corresponds to the annotation interval provided along the top of the seismic-reflection profile images, which are included in the folders within 'seis_images\512i'.
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave 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 Python (version 2.7) script was used to apply layback to seismic navigation acquired during the 2014-002-FA survey. Attributes oldEast and oldNorth in the table ‘2014_002_512i_lbunique.csv', which is included in the zip compressed version of the shapefile ‘2014-002-FA_512i_500sht.shp', document pre-layback shot/trace positions. Using Easting and Northing coordinates (UTM Zone 18 N, WGS84) from the trace headers, the script calculated easting and northing differential values between consecutive trace positions. Headings between consecutive traces were calculated using the arctangent function (arctan2(dy,dx)), and reciprocal back bearings were determined using a lookup table. Back bearings were smoothed along track using a moving median function with a window length defined by the user (59 traces during 2014-002-FA ). Layback easting and northing offsets were calculated by multiplying the linear distance between the catamaran and the shipboard DGPS receiver (33 for line 1 or 43 m for all other lines during 2014-002-FA) by the sine and cosine of the smoothed back bearing, respectively. Offset values were then added to the original coordinates to produce layback positions.
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave 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:
An awk (do_nav_gisprep) script was used to process unique, 100 shot, and 500 shot lay-back corrected navigation to a merged csv file that can be utilized by ArcGIS to create a trackline and shotpoint shapefile.
Text files containing unique shot point positions for each seismic line with layback-adjusted navigation were concatenated into a comma-delimited text file. Then the layback-corrected position CSV file was imported into ArcMap (version 10.2.2) using 'Add XY data' and saved as points (Geographic, WGS84) in the Esri shapefile format.
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave 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:
The shapefile containing unique shot point positions, created in the previous step, was used as an input for VACExtras points to lines (version 2.1), a VB collection of tools developed by VeeAnn Cross (USGS-WHCMSC), which converts point data to a new polyline shapefile ('2014_002_FA_512i_Tracklines.shp'), based on record order. The 'FileName' field was used to define which points were used to generate each polyline feature. The length of each polyline segment was calculated and included in the attribute field 'Length_km', specifying UTM, Zone 18 N, WGS84, and kilometers with ArcMap version 10.2.2. Additional fields for vessel name, device and survey ID were added in ArcMap
Process_Date: 2014
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave 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) 548-8700x2271
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
The online links to the data were updated to reflect the new server hosting the data. Additionally, other small edits could be made to the metadata, such as modifying http to https where appropriate. The metadata date (but not the metadata creator) was edited to reflect the date of these changes.
Process_Date: 20170419
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: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Complete chain
Point_and_Vector_Object_Count: 407
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: 2014_002_FA_512i_Tracklines
Entity_Type_Definition:
512i tracklines for survey 2014-002-FA along the Delmarva Peninsula
Entity_Type_Definition_Source: U.S. Geological Survey
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: FileName
Attribute_Definition: Name of seismic data file.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: Image
Attribute_Definition: name of seismic profile image used as hyperlink
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: Shot
Attribute_Definition: First shot number in seismic profile
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 1
Attribute_Units_of_Measure: shot
Attribute_Measurement_Resolution: 1
Attribute:
Attribute_Label: Year
Attribute_Definition: Calendar year data were collected
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: Time_UTC
Attribute_Definition:
JulianDay:HH:MM:SS of the start of line. Julian day data were collected (Julian day is the integer number representing the interval of time in days since January 1 of the year)
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: Shot_end
Attribute_Definition: Last shot number in seismic profile
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 407
Range_Domain_Maximum: 40509
Attribute_Units_of_Measure: shot
Attribute_Measurement_Resolution: 1
Attribute:
Attribute_Label: Time_U_end
Attribute_Definition:
JulianDay:HH:MM:SS of the end of line. Julian day is the integer number representing the interval of time in days since January 1 of the year.
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: length_km
Attribute_Definition: Length of seismic profile in kilometers (UTM Zone 18N, WGS84)
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.215
Range_Domain_Maximum: 45.0392
Attribute_Units_of_Measure: kilometers
Attribute_Measurement_Resolution: 0.001
Attribute:
Attribute_Label: Survey_ID
Attribute_Definition:
WHCMSC field activity identifier (e.g. "2014-002-FA" where 2014 is the survey year, 002 is survey number of that year, and FA is Field Activity)
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: Character String
Attribute:
Attribute_Label: Device_ID
Attribute_Definition: Sonar device used to collect seismic-reflection data
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Attribute:
Attribute_Label: Vehicle_ID
Attribute_Definition: Survey vessel name
Attribute_Definition_Source: U.S. Geological Survey
Attribute_Domain_Values:
Unrepresentable_Domain: String up to 254 characters
Overview_Description:
Entity_and_Attribute_Overview:
The PNG seismic reflection images can be hyperlinked to their trackline location in ArcGIS.
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:
USGS data release 2014-002-FA 512i tracklines from the Delmarva Peninsula area (2014-002-FA_512tracks.zip). The zip file contains a folder with the following a shapefile with 512i trackline locations (2014_002_FA_512i_Tracklines.shp), a browse graphic (512_tracks.png), and FGDC CSDGM metadata files (2014_002_FA_512i_Tracklines.xml) in four standard formats.
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: Shapefile
Format_Version_Number: ArcGIS 10.2.2
Format_Specification: Shapefile
Format_Information_Content:
WinZip (v 14.5) file contains a shapefile of 512i tracklines collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center along the Delmarva Peninsula, MD and VA, and the associated metadata.
File_Decompression_Technique: use WinZip or pkUnzip
Transfer_Size: 18
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information: Access_Instructions: Data can be downloaded via the World Wide Web (WWW)
Fees: none
Technical_Prerequisites:
This zip file contains data available in shapefile format. The user must have software capable of reading and processing the data file.
Metadata_Reference_Information:
Metadata_Date: 20240318
Metadata_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
Contact_Voice_Telephone: (508) 548-8700x2259
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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