Identification_Information:

  Citation:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology Program (CMGP) 
      Publication_Date: 20130331
      Title:
        Geological and Geophysical data of field activity L-11-81-WF
        in Juan de Fuca from 09/04/1981 to 09/15/1981
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/gos/l-11-81-wf.fmeta.xml
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.meta.html

  Description:
    Abstract:
      Chief Scientist: Bill Normark. Geological and Geophysical
      data (12khz, 3dot5khz, airgun, gravity, underwatercamera,
      chaindredge, Niskenbottle, underwatercamera, courserecorder,
      integratednavigation) of field activity L-11-81-WF in Juan de
      Fuca from 09/04/1981 to 09/15/1981,
      http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.meta.html.

    Purpose:
      These data and information are intended for science
      researchers, students from elementary through
      college, policy makers, and general public.

    Supplemental_Information:

      Equipment Used -

      12khz                         12 khz bathymetry

      3dot5khz                      3.5 khz bathymetry

      airgun                        single-channel airgun

      gravity

      underwatercamera

      chaindredge

      Niskenbottle

      underwatercamera

      courserecorder

      integratednavigation

      Publications -

      Normark, W.R., Morton, J.L., and Delaney, J.R., 1982, Geologic setting of massive sulfide

      deposits and hydrothermal vents along the southern Juan de Fuca Ridge: U.S. Geological

      Survey Open-File Report 82-0200-A, 22 p.


      


      Koski, Randolph A., Normark, William R., Morton, Janet L., and Delaney, John R., 1982,

      Metal sulfide deposits on the Juan de Fuca Ridge: Woods Hole, MS, Oceanus, v. 25, no. 3,

      Deep ocean mining, p. 43-48.


      


      Normark, William R., Lupton, John E., Murray, James W., Koski, Randolph A., Clague, David A.,

      Morton, Janet L., Delaney, John R., and Johnson, H. Paul, 1982, Polymetallic sulfide deposits

      and water-column tracers of active hydrothermal vents on the southern Juan de Fuca Ridge, in

      Special issue, Polymetallic sulfides: Marine Technology Society Journal, v. 16, no. 3,

      p. 46-53. 


      


      Delaney, J.R., Koski, Randolph A., Clague, D.A., Bischoff, J.L., and Normark, William R., 1982,

      Massive zinc and iron-rich sulfide deposits associated with hot springs, Juan de Fuca Ridge, in

      American Association of Petroleum Geologists annual convention with divisions Society For Sedimentary

      Geology/EMD/DPA: American Association of Petroleum Geologists Bulletin, v. 66, no. 5, p. 562.


      


      Normark, William R., 1982, Geologic setting of polymetallic sulfide deposits on East Pacific

      Rise at 21 degrees N and Juan de Fuca Ridge near 45 degrees N, in Circum-Pacific energy and

      mineral resources conference: American Association of Petroleum Geologists Bulletin, v. 66,

      no. 7, p. 979.


      


      Normark, William R., Delaney, J.R., Morton, J.L., Koski, R., Barnes, I., Stevenson, A.,

      Hayba, D., Bargar, K., Johnson, H.P., and Clague, D., 1981, Hydrothermal vents and sulfide

      deposits on the southern Juan de Fuca Ridge, in American Geophysical Union; 1981 fall meeting:

      American Geophysical Union Eos, Transactions, v. 62, no. 45, p. 913. 


      


      Normark, William R., Morton, Janet L., Koski, Randolph A., and Clague, David A., 1983,

      Active hydrothermal vents and sulfide deposits on the southern Juan de Fuca Ridge: Boulder, CO,

      Geology, v. 11, no. 3, p. 158-163.


      


      Normark, W.R., and Clague, David, 1983, Geology and mineral deposits of the Juan de Fuca

      Ridge off Oregon: U.S. Geological Survey Professional Paper 1375, p. 110.


      


      Normark, William R., 1983, Studies of sulfide mineralization on the southern Juan de Fuca

      Ridge; a review, in Geological Association of Canada, Mineralogical Association of Canada,

      and Canadian Geophysical Union joint annual meeting: Canadian Geophysical Union, Joint Annual

      Meeting, Program with Abstracts, v. 8, p. A51.


      


      Normark, William R., 1982, Geologic setting of active hydrothermal vents along the southern

      Juan de Fuca Ridge: Congres International de Sedimentologie, v. 11, p. 46.


      


      Lichtman, Grant S., Normark, William R., and Spiess, F.N., 1984, Photogeologic study of a

      segment of the East Pacific Rise axis near 21 degrees N latitude: Geological Society of America

      Bulletin, v. 95, no. 6, p. 743-752.


      


      Koski, Randolph A., Normark, William R., and Morton, Janet Lee, 1985, Massive sulfide deposits

      on the southern Juan de Fuca Ridge; results of investigations in the USGS study area, 1980-83, in

      Rona, Peter A., and Koski, Randolph A., eds., Theme issue, Polymetallic sulfide deposits:

      Marine Mining, v. 5, no. 2, p. 147-164. 


      


      Normark, William R., 1982, Geologic setting of polymetallic sulfide deposits on East Pacific

      Rise at 21 degrees N and Juan de Fuca Ridge near 45 degrees N, in Wilson, Stuart T., ed.,

      Transactions of the Third Circum-Pacific energy and mineral resources conference: Transactions

      of the Circum-Pacific Energy and Mineral Resources Conference, v. 3, p. 366.


      


      Lichtman, G.S., Eissen, J.P., Normark, William R., and Juteau, T., 1982, Concurrent variations

      in petrology and geomorphic expression along the axis of the East Pacific Rise near lat. 21

      degrees N., in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos,

      Transactions, v. 63, no. 45, p. 1134-1135.


      


      Normark, William R., Delaney, J.R., Lichtman, G.S., Morton, Janet L., Karsten, J.L., and

      Johnson, H.P., 1982, Geologic and morphologic constraints on crustal-accretion models for

      the southern Juan de Fuca Ridge, in American Geophysical Union 1982 fall meeting: American

      Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1146. 


      


      Normark, William R., Koski, Randolph A., Clague, David A., Morton, Janet L., and

      Delaney, John R., 1982, Active hydrothermal vents and sulfide deposits on the southern

      Juan de Fuca Ridge, in The Geological Society of America, 95th annual meeting:

      Geological Society of America Abstracts with Programs, v. 14, no. 7, p. 577-578. 


      


      Normark, William R., Morton, Janet L., and Koski, Randolph A., 1984, The Juan de Fuca Ridge

      metallogenesis program, in Clarke, Samuel H., ed., U.S. Geological Survey highlights in

      marine research: U.S. Geological Survey Circular 0938, p. 49-56.


      


      Normark, William R., and Morton, Janet L., 1987, Detailed structural mapping of an ocean rift,

      using acoustic-transponder positioning; problems of net maintenance (1981-86) and new experiments

      possible with long-life transponders, in Kumar, Muneendra, and Maul, George A., Proceedings;

      International symposium on Marine positioning: Dordrecht, Netherlands, D. Reidel Publ. Co.


      


      Normark, W.R., Morton, J.L., and Saxena, N.K., 1990, Scaling considerations for acoustic

      measurement of ridge extension: American Geophysical Union Eos, Transactions, v. 71,

      no. 43, p. 1602.



      Similar information is available for thousands
      of other USGS/CMG-related Activities.

      If known, available are Activity-specific
      navigation, gravity, magnetics, bathymetry,
      seismic, and sampling data; track maps; and
      equipment information; as well as summary
      overviews, crew lists, and information
      about analog materials.

      If available, access to physical samples is
      described in the "WR CMG Sample Distribution
      Policy" at:
      http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html

      Primary access to the USGS/CMG Information
      Bank's digital data, analog data, and
      metadata is provided through...
      http://walrus.wr.usgs.gov/infobank/

      This page accomodates a variety of search
      approaches (e.g., by platform, by region,
      by scientist, by equipment type, etc.).

  Time_Period_of_Content:
    Time_Period_Information:
      Range_of_Dates/Times:
        Beginning_Date: 19810904
        Ending_Date: 19810915

    Currentness_Reference: ground condition

  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: As needed

  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -130.41170
      East_Bounding_Coordinate: -122.30620
      North_Bounding_Coordinate: 46.25994
      South_Bounding_Coordinate: 37.62957

  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: ISO 19115 Topic Category
      Theme_Keyword: geoscientificinformation
      Theme_Keyword: oceans
    Theme:
      Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
      Theme_Keyword: EARTH SCIENCE > OCEANS
    Theme:
      Theme_Keyword_Thesaurus: USGS CMG InfoBank
      Theme_Keyword: Marine Geology
      Theme_Keyword: Marine Geophysics
      Theme_Keyword: Marine Gravity Field
      Theme_Keyword: Bathymetry
      Theme_Keyword: Water Depth
      Theme_Keyword: Seafloor Topography
      Theme_Keyword: Marine Seismic
      Theme_Keyword: Geodetic Survey

    Place:
      Place_Keyword_Thesaurus: USGS CMG InfoBank
      Place_Keyword: CA
      Place_Keyword: Juan de Fuca
      Place_Keyword: Juan de Fuca Ridge
      Place_Keyword: North Pacific Ocean
      Place_Keyword: Northern California
      Place_Keyword: Northern Pacific Ocean
      Place_Keyword: OR
      Place_Keyword: Oregon
      Place_Keyword: Pacific Coast, US
      Place_Keyword: USA


  Access_Constraints:
    Physical materials are under controlled on-site access.

    If available, access to physical samples is described
    in the "WR CMG Sample Distribution Policy" at:
    http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html

  Use_Constraints:
    Please recognize the U.S. Geological Survey (USGS) as
    the source of this information.

    Physical materials are under controlled on-site access.

    Some USGS information accessed through this means
    may be preliminary in nature and presented without
    the approval of the Director of the USGS.  This
    information is provided with the understanding
    that it is not guaranteed to be correct or complete
    and conclusions drawn from such information are
    the responsibility of the user.

    This information is not intended for navigational
    purposes.

    Any use of trade, firm, or product names is for
    descriptive purposes only and does not imply
    endorsement by the U.S. Government.

  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


  Data_Set_Credit:
    Andy Stevenson (Geologist);
    Bill Normark (Chief Scientist);
    Chris Gutmacher (Dafe Curator);
    Dan Hayba (Geologist);
    Dan Hurlbert (Mechanical Technician);
    Dave Melendrez (Chief Mate);
    Gordon Tanner (Electronics Technician);
    Ivan Barnes (Geologist);
    Jackie Eaby (Navigator);
    Jan Morton (Geologist);
    Jeff Rupert (Mechanical Technician);
    John Delaney (Geologist);
    Kaye Kinoshita (Navigator);
    Keith Bargar (Geologist);
    Ken Taylor (Chief Engineer);
    Mike Boyle (Electronics Technician);
    Randy Koski (Geologist);
    Rick Murnane (Geologist);
    Terry Ruff (Ship Captain)

  Native_Data_Set_Environment: Digital, ASCII
  Cross_Reference:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
      Publication_Date: Unknown
      Title: USGS/CMG Information Bank 
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS)  Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/
      Other_Citation_Details:
        Normark, W.R., Morton, J.L., and Delaney, J.R., 1982, Geologic setting of massive sulfide
        deposits and hydrothermal vents along the southern Juan de Fuca Ridge: U.S. Geological
        Survey Open-File Report 82-0200-A, 22 p.
        Koski, Randolph A., Normark, William R., Morton, Janet L., and Delaney, John R., 1982,
        Metal sulfide deposits on the Juan de Fuca Ridge: Woods Hole, MS, Oceanus, v. 25, no. 3,
        Deep ocean mining, p. 43-48.
        Normark, William R., Lupton, John E., Murray, James W., Koski, Randolph A., Clague, David A.,
        Morton, Janet L., Delaney, John R., and Johnson, H. Paul, 1982, Polymetallic sulfide deposits
        and water-column tracers of active hydrothermal vents on the southern Juan de Fuca Ridge, in
        Special issue, Polymetallic sulfides: Marine Technology Society Journal, v. 16, no. 3,
        p. 46-53.
        Delaney, J.R., Koski, Randolph A., Clague, D.A., Bischoff, J.L., and Normark, William R., 1982,
        Massive zinc and iron-rich sulfide deposits associated with hot springs, Juan de Fuca Ridge, in
        American Association of Petroleum Geologists annual convention with divisions Society For Sedimentary
        Geology/EMD/DPA: American Association of Petroleum Geologists Bulletin, v. 66, no. 5, p. 562.
        Normark, William R., 1982, Geologic setting of polymetallic sulfide deposits on East Pacific
        Rise at 21 degrees N and Juan de Fuca Ridge near 45 degrees N, in Circum-Pacific energy and
        mineral resources conference: American Association of Petroleum Geologists Bulletin, v. 66,
        no. 7, p. 979.
        Normark, William R., Delaney, J.R., Morton, J.L., Koski, R., Barnes, I., Stevenson, A.,
        Hayba, D., Bargar, K., Johnson, H.P., and Clague, D., 1981, Hydrothermal vents and sulfide
        deposits on the southern Juan de Fuca Ridge, in American Geophysical Union; 1981 fall meeting:
        American Geophysical Union Eos, Transactions, v. 62, no. 45, p. 913.
        Normark, William R., Morton, Janet L., Koski, Randolph A., and Clague, David A., 1983,
        Active hydrothermal vents and sulfide deposits on the southern Juan de Fuca Ridge: Boulder, CO,
        Geology, v. 11, no. 3, p. 158-163.
        Normark, W.R., and Clague, David, 1983, Geology and mineral deposits of the Juan de Fuca
        Ridge off Oregon: U.S. Geological Survey Professional Paper 1375, p. 110.
        Normark, William R., 1983, Studies of sulfide mineralization on the southern Juan de Fuca
        Ridge; a review, in Geological Association of Canada, Mineralogical Association of Canada,
        and Canadian Geophysical Union joint annual meeting: Canadian Geophysical Union, Joint Annual
        Meeting, Program with Abstracts, v. 8, p. A51.
        Normark, William R., 1982, Geologic setting of active hydrothermal vents along the southern
        Juan de Fuca Ridge: Congres International de Sedimentologie, v. 11, p. 46.
        Lichtman, Grant S., Normark, William R., and Spiess, F.N., 1984, Photogeologic study of a
        segment of the East Pacific Rise axis near 21 degrees N latitude: Geological Society of America
        Bulletin, v. 95, no. 6, p. 743-752.
        Koski, Randolph A., Normark, William R., and Morton, Janet Lee, 1985, Massive sulfide deposits
        on the southern Juan de Fuca Ridge; results of investigations in the USGS study area, 1980-83, in
        Rona, Peter A., and Koski, Randolph A., eds., Theme issue, Polymetallic sulfide deposits:
        Marine Mining, v. 5, no. 2, p. 147-164.
        Normark, William R., 1982, Geologic setting of polymetallic sulfide deposits on East Pacific
        Rise at 21 degrees N and Juan de Fuca Ridge near 45 degrees N, in Wilson, Stuart T., ed.,
        Transactions of the Third Circum-Pacific energy and mineral resources conference: Transactions
        of the Circum-Pacific Energy and Mineral Resources Conference, v. 3, p. 366.
        Lichtman, G.S., Eissen, J.P., Normark, William R., and Juteau, T., 1982, Concurrent variations
        in petrology and geomorphic expression along the axis of the East Pacific Rise near lat. 21
        degrees N., in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos,
        Transactions, v. 63, no. 45, p. 1134-1135.
        Normark, William R., Delaney, J.R., Lichtman, G.S., Morton, Janet L., Karsten, J.L., and
        Johnson, H.P., 1982, Geologic and morphologic constraints on crustal-accretion models for
        the southern Juan de Fuca Ridge, in American Geophysical Union 1982 fall meeting: American
        Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1146.
        Normark, William R., Koski, Randolph A., Clague, David A., Morton, Janet L., and
        Delaney, John R., 1982, Active hydrothermal vents and sulfide deposits on the southern
        Juan de Fuca Ridge, in The Geological Society of America, 95th annual meeting:
        Geological Society of America Abstracts with Programs, v. 14, no. 7, p. 577-578.
        Normark, William R., Morton, Janet L., and Koski, Randolph A., 1984, The Juan de Fuca Ridge
        metallogenesis program, in Clarke, Samuel H., ed., U.S. Geological Survey highlights in
        marine research: U.S. Geological Survey Circular 0938, p. 49-56.
        Normark, William R., and Morton, Janet L., 1987, Detailed structural mapping of an ocean rift,
        using acoustic-transponder positioning; problems of net maintenance (1981-86) and new experiments
        possible with long-life transponders, in Kumar, Muneendra, and Maul, George A., Proceedings;
        International symposium on Marine positioning: Dordrecht, Netherlands, D. Reidel Publ. Co.
        Normark, W.R., Morton, J.L., and Saxena, N.K., 1990, Scaling considerations for acoustic
        measurement of ridge extension: American Geophysical Union Eos, Transactions, v. 71,
        no. 43, p. 1602.



Data_Quality_Information:

  Attribute_Accuracy:
    Attribute_Accuracy_Report: Identified as best available version.

  Logical_Consistency_Report: Unspecified

  Completeness_Report:
    Start and end date/times of data
    >Navigation Data (l-11-81-wf.052 [SINS])
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198109041638000    198109131302000
    >198109131316000    198109151929000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Gravity Data (l-11-81-wf.161_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198109041638180    198109131554420
    >198109131600420    198109151928180
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Bathymetry Data (l-11-81-wf.301_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST

  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: Unspecified

    Vertical_Positional_Accuracy:
      Vertical_Positional_Accuracy_Report: Unspecified

  Lineage:

    Process_Step:
      Process_Description:
        Navigation Data
        >Converted to time format with year at start.
        >
        >10/21/85 KAYE DRS$DATA:[LB81WF.N]LB81WF.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
      Process_Date: 19960119

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Gravity Data
        >10/31/1998  /tiger/l/l1181wf/grav/l-11-81-wf.161_052
        >/bear/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >10/16/85 BARB DRS$DATA:[LB81WF.G]LB81WF.161;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >10/21/85 KAYE DRS$DATA:[LB81WF.N]LB81WF.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 19981031

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Bathymetry Data
        >10/31/1998  /tiger/l/l1181wf/bath/l-11-81-wf.301_052
        >/bear/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >09/05/85 BECKIE DUA0:[DATA.LB81WF.B]LB81WF.301;
        >DRB0:[DRS.DSMPL]DESAMTIME.EXE;1
        >This file is 2 min. digitrack bathy.
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >10/21/85 KAYE DRS$DATA:[LB81WF.N]LB81WF.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 19981031

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


Spatial_Data_Organization_Information:

  Indirect_Spatial_Reference: Juan de Fuca
  Direct_Spatial_Reference_Method: Point

  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Point


Spatial_Reference_Information:

  Horizontal_Coordinate_System_Definition:
    Geographic:
      Latitude_Resolution: 0.00001
      Longitude_Resolution: 0.00001
      Geographic_Coordinate_Units: Decimal degrees

    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1927
      Ellipsoid_Name: Clarke 1866
      Semi-major_Axis: 6378206.4
      Denominator_of_Flattening_Ratio: 294.98

  Vertical_Coordinate_System_Definition:
    Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


Entity_and_Attribute_Information:

  Overview_Description:
    Entity_and_Attribute_Overview: Bathymetry with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Gravity with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Navigation with Time Stamp 


Distribution_Information:

  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Resource_Description: Downloadable Data L-11-81-WF data set 

  Distribution_Liability:
    Please recognize the U.S. Geological Survey (USGS) as
    the source of this information.

    Physical materials are under controlled on-site access.

    Some USGS information accessed through this means
    may be preliminary in nature and presented without
    the approval of the Director of the USGS.  This
    information is provided with the understanding
    that it is not guaranteed to be correct or complete
    and conclusions drawn from such information are
    the responsibility of the user.

    This information is not intended for navigational
    purposes.

    Any use of trade, firm, or product 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: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.3

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.nav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 1.3

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.grav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.1

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.bath.html

    Fees: None


Metadata_Reference_Information:

  Metadata_Date: 20130331

  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata 

  Metadata_Standard_Version: FGDC-STD-001-1998 

  Metadata_Time_Convention: universal time
  Metadata_Access_Constraints: none
  Metadata_Use_Constraints: none