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What does this data set describe?

Title:
Geophysical data of field activity K-4-69-GM in Sona area, Gulf of Mexico from 09/23/1969 to 11/15/1969
Abstract:
Geophysical data (LoranA, 12khz) of field activity K-4-69-GM in Sona area, Gulf of Mexico from 09/23/1969 to 11/15/1969, <http://walrus.wr.usgs.gov/infobank/k/k469gm/html/k-4-69-gm.meta.html>.
Supplemental_Information:

Equipment Used -
LoranA Loran A navigation
12khz bathymetry
Notes -
U.S. Naval Oceangraphic Office

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.).
  1. How should this data set be cited?

    U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>, 20131029, Geophysical data of field activity K-4-69-GM in Sona area, Gulf of Mexico from 09/23/1969 to 11/15/1969: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -96.31333
    East_Bounding_Coordinate: -82.49500
    North_Bounding_Coordinate: 28.89666
    South_Bounding_Coordinate: 20.68833

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 23-Sep-1969
    Ending_Date: 15-Nov-1969
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      Indirect_Spatial_Reference: Sona area, Gulf of Mexico
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Point

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.00001. Longitudes are given to the nearest 0.00001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.

      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


  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>


Why was the data set created?

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


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: 24-Aug-2001 (process 1 of 2)
    Navigation Data
    01/30/1998 clint k-4-69-gm.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 24-Aug-2001 (process 2 of 2)
    Bathymetry Data
    10/31/1998  /tiger/k/k469gm/bath/k-4-69-gm.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint k-4-69-gm.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint k-4-69-gm.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Unknown, USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>: U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:


How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Identified as best available version.

  2. How accurate are the geographic locations?

    Unspecified

  3. How accurate are the heights or depths?

    Unspecified

  4. Where are the gaps in the data? What is missing?

    Start and end date/times of data

    Navigation Data (k-4-69-gm.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196909230000000    196911030354000
    196911030410000    196911030410000
    196911030435000    196911031051000
    196911031824000    196911040154000
    196911040830000    196911041413000
    196911042238000    196911050600000
    196911051413000    196911051932000
    196911060243000    196911060900000
    196911061900000    196911070252000
    196911070955000    196911071431000
    196911072130000    196911080530000
    196911081300000    196911081900000
    196911090430000    196911091053000
    196911091623000    196911092112000
    196911101430000    196911101736000
    196911110645000    196911111045000
    196911111726000    196911112048000
    196911120518000    196911121105000
    196911121826000    196911130040000
    196911130830000    196911131235000
    196911131327000    196911131525000
    196911131700000    196911131855000
    196911140400000    196911141100000
    196911141659000    196911150100000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (k-4-69-gm.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196909230000000    196909230730000
    196909232000000    196909240400000
    196909241230000    196909241830000
    196909250300000    196909250930000
    196909252000000    196909252355000
    196909260925000    196909261400000
    196909262335000    196909270700000
    196909271630000    196909272030000
    196909280700000    196909281100000
    196909282100000    196909290230000
    196909291400000    196909292030000
    196909300600000    196909301130000
    196909302230000    196910010400000
    196910011300000    196910011800000
    196910020230000    196910020800000
    196910030235000    196910030700000
    196910031630000    196910032000000
    196910040700000    196910041130000
    196910041930000    196910050200000
    196910050900000    196910060600000
    196910152300000    196910161055000
    196910171430000    196910171800000
    196910180215000    196910180700000
    196910181500000    196910190020000
    196910190745000    196910191400000
    196910192045000    196910200315000
    196910201225000    196910201735000
    196910210030000    196910210500000
    196910211245000    196910212045000
    196910220410000    196910221000000
    196910221645000    196910222340000
    196910230530000    196910231255000
    196910231910000    196910240250000
    196910241025000    196910241925000
    196910250330000    196910251000000
    196910251715000    196910260300000
    196910261305000    196910262145000
    196910280205000    196910280400000
    196910280515000    196910280935000
    196910281015000    196910281600000
    196911020200000    196911021710000
    196911030435000    196911031050000
    196911031830000    196911040150000
    196911040830000    196911041405000
    196911042240000    196911050600000
    196911051415000    196911051930000
    196911060245000    196911060900000
    196911061900000    196911070250000
    196911071000000    196911071425000
    196911072130000    196911080530000
    196911081300000    196911081900000
    196911090430000    196911091050000
    196911091630000    196911092110000
    196911101430000    196911101735000
    196911110645000    196911111040000
    196911111730000    196911112045000
    196911120520000    196911121100000
    196911121830000    196911130035000
    196911130830000    196911131235000
    196911131330000    196911131525000
    196911131710000    196911131855000
    196911140400000    196911141100000
    196911141700000    196911150100000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    

  5. How consistent are the relationships among the observations, including topology?

    Unspecified


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

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.

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  2. What's the catalog number I need to order this data set?

    Downloadable Data K-4-69-GM data set <http://walrus.wr.usgs.gov/infobank/k/k469gm/html/k-4-69-gm.meta.html>

  3. What legal disclaimers am I supposed to read?

    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.

  4. How can I download or order the data?

    • Availability in digital form:

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/k/k469gm/html/k-4-69-gm.nav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/k/k469gm/html/k-4-69-gm.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-2013
    Metadata author:
    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Metadata standard:
    FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/> (FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>)


    Generated by mp version 2.9.13 on Tue Oct 29 12:41:55 2013