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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-11-81-WF in Juan de Fuca from 09/04/1981 to 09/15/1981
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>.
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>

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/>, 20140502, Geological and Geophysical data of field activity L-11-81-WF in Juan de Fuca from 09/04/1981 to 09/15/1981: 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: -130.41170
    East_Bounding_Coordinate: -122.30620
    North_Bounding_Coordinate: 46.25994
    South_Bounding_Coordinate: 37.62957

  3. What does it look like?

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

    Beginning_Date: 04-Sep-1981
    Ending_Date: 15-Sep-1981
    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: Juan de Fuca
      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:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.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?

    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)

  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: 19-Jan-1996 (process 1 of 3)
    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
    
    

    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: 31-Oct-1998 (process 2 of 3)
    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
    

    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: 31-Oct-1998 (process 3 of 3)
    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
    

    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:

    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.



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 (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
    

  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 L-11-81-WF data set <http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.nav.html>

Data format: ASCII Size: 1.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.grav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1181wf/html/l-11-81-wf.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 02-May-2014
    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 Fri May 2 10:02:54 2014