<?xml version="1.0" encoding="ISO-8859-1"?>
<metadata>
<idinfo>
<citation>
<citeinfo>
<origin>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov/&gt;, Coastal and Marine Geology Program (CMGP) &lt;http://marine.usgs.gov/&gt;</origin>
<pubdate>20130331</pubdate>
<title>
Geophysical data of field activity U-2-71-GM in East Margin
Yucatan Peninsula from 06/23/1971 to 07/08/1971
</title>
<pubinfo>
<pubplace>Menlo Park, CA</pubplace>
<publish>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</publish>
</pubinfo>
<onlink>http://walrus.wr.usgs.gov/infobank/gos/u-2-71-gm.fmeta.xml</onlink>
<onlink>http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.meta.html</onlink>
</citeinfo>
</citation>
<descript>
<abstract>
United States Geological Survey, Corpus Christi, Texas.
Chief Scientist: Jack Vedder. Geophysical data (sonobuoy,
gravity, magnetics) of field activity U-2-71-GM in East
Margin Yucatan Peninsula from 06/23/1971 to 07/08/1971,
http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.meta.html.
</abstract>
<purpose>
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
</purpose>
<supplinf>

Equipment Used -

sonobuoy

gravity

magnetics                     magnetometer

Notes -

NSF/IDOE, From USGS Eastern Region admincru database...

Control # --- 843

PlatformDate ID --- UGEO19710619

Sea Days --- 25

Scientists --- 12

Scientific Days --- 300

WHFC Persons --- 9

WHFC Person Days --- 225

Study Region...

Northern East Coast --- N

Middle East Coast --- N

Southern East Coast --- N

Puerto Rico --- Y

Gulf Coast --- N

Virgin Islands --- Y

Publications -

Vedder, J.G., 1972, Acoustic Relfection Profiles, East Margin Yucatan Peninsula, International Decade of Ocean Exploration, Leg 2, 1971 Cruise, Unitedgeo I, USGS-GD-72-003 (see Analog materials list)

&lt;HR&gt;

Dillon, W.P., Vedder, J.G., and Graf, R.J., 1972, Structural profile of the northwestern

Caribbean: Earth and Planetary Science Letters, v. 17, no. 1, p. 175-180. &lt;BR&gt;

&lt;HR&gt;

Vedder, J.G., MacLeod, N.S., Lanphere, M.A., and Dillon, W.P., 1973, Age and tectonic

implications of some low-grade metamorphic rocks from the Yucatan Channel: Journal of

Research of the U.S. Geological Survey, v. 1, no. 2, p. 157-164.&lt;BR&gt;

&lt;HR&gt;

Arnal, R.E., and Vedder, J.G., 1976, Changes in Miocene paleobathymetry of California

continental borderland north of 32 degrees: American Association of Petroleum Geologists

Bulletin, v. 60, no. 4, American Association of Petroleum Geologists-Society For Sedimentary

Geology annual meeting, p. 646.&lt;BR&gt;

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.).
</supplinf>
</descript>
<timeperd>
<timeinfo>
<rngdates>
<begdate>19710623</begdate>
<enddate>19710708</enddate>
</rngdates>
</timeinfo>
<current>ground condition</current>
</timeperd>
<status>
<progress>Complete</progress>
<update>As needed</update>
</status>
<spdom>
<bounding>
<westbc>-87.96520</westbc>
<eastbc>-83.74833</eastbc>
<northbc>20.73333</northbc>
<southbc>16.58830</southbc>
</bounding>
</spdom>
<keywords>
<theme>
<themekt>ISO 19115 Topic Category</themekt>
<themekey>geoscientificinformation</themekey>
<themekey>oceans</themekey>
</theme>
<theme>
<themekt>Global Change Master Directory (GCMD)</themekt>
<themekey>EARTH SCIENCE &gt; OCEANS</themekey>
</theme>
<theme>
<themekt>USGS CMG InfoBank</themekt>
<themekey>Marine Geology</themekey>
<themekey>Marine Geophysics</themekey>
<themekey>Marine Gravity Field</themekey>
<themekey>Marine Magnetic Field</themekey>
<themekey>Magnetic Anomalies</themekey>
<themekey>Bathymetry</themekey>
<themekey>Water Depth</themekey>
<themekey>Seafloor Topography</themekey>
</theme>
<place>
<placekt>USGS CMG InfoBank</placekt>
<placekey>Caribbean Sea</placekey>
<placekey>East Margin Yucatan Peninsula</placekey>
<placekey>Gulf Coast</placekey>
<placekey>Gulf of Mexico</placekey>
<placekey>USA</placekey>
</place>
</keywords>
<accconst>
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
</accconst>
<useconst>
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.
</useconst>
<ptcontac>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</ptcontac>
<datacred>
Jack Vedder (Chief Scientist, USGS Western Region);
Bill Dillon (Geologist);
A.E. Roberts (Geologist);
B.D. Ruppel (Geophysicist );
A.G. HcHendrie (Geologist);
P.E. Malin (Geophysicist);
C.A. Rodeick (Phys. Sci Tech);
H.R. Hill (Electronic Tech);
R.A. Patrick (Electronic Tech)
</datacred>
<native>Digital, ASCII</native>
<crossref>
<citeinfo>
<origin>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</origin>
<pubdate>Unknown</pubdate>
<title>USGS/CMG Information Bank &lt;http://walrus.wr.usgs.gov/infobank/&gt;</title>
<pubinfo>
<pubplace>Menlo Park, CA</pubplace>
<publish>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt; Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</publish>
</pubinfo>
<othercit>
Vedder, J.G., 1972, Acoustic Relfection Profiles, East Margin Yucatan Peninsula, International Decade of Ocean Exploration, Leg 2, 1971 Cruise, Unitedgeo I, USGS-GD-72-003 (see Analog materials list)
Dillon, W.P., Vedder, J.G., and Graf, R.J., 1972, Structural profile of the northwestern
Caribbean: Earth and Planetary Science Letters, v. 17, no. 1, p. 175-180.
Vedder, J.G., MacLeod, N.S., Lanphere, M.A., and Dillon, W.P., 1973, Age and tectonic
implications of some low-grade metamorphic rocks from the Yucatan Channel: Journal of
Research of the U.S. Geological Survey, v. 1, no. 2, p. 157-164.
Arnal, R.E., and Vedder, J.G., 1976, Changes in Miocene paleobathymetry of California
continental borderland north of 32 degrees: American Association of Petroleum Geologists
Bulletin, v. 60, no. 4, American Association of Petroleum Geologists-Society For Sedimentary
Geology annual meeting, p. 646.
</othercit>
<onlink>http://walrus.wr.usgs.gov/infobank/</onlink>
</citeinfo>
</crossref>
</idinfo>
<dataqual>
<attracc>
<attraccr>Identified as best available version.</attraccr>
</attracc>
<logic>Unspecified</logic>
<complete>
Start and end date/times of data
&gt;Navigation Data (u-2-71-gm.050 [SINS])
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;197106271116000    197107050111000
&gt;197107070304000    197107070304000
&gt;197107070354000    197107070354000
&gt;197107070454000    197107070454000
&gt;197107070540000    197107070610000
&gt;197107070833000    197107070856000
&gt;197107071010000    197107071050000
&gt;197107071154000    197107071233000
&gt;197107071338000    197107071338000
&gt;197107071452000    197107071532000
&gt;197107071702000    197107071737000
&gt;197107071850000    197107071850000
&gt;197107072202000    197107072202000
&gt;197107072318000    197107072318000
&gt;197107080128000    197107080128000
&gt;197107080314000    197107080314000
&gt;197107080358000    197107080358000
&gt;197107080546000    197107080546000
&gt;197107080638000    197107080638000
&gt;197107080729000    197107080729000
&gt;197107080833000    197107080833000
&gt;197107080931000    197107080931000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;Gravity Data (u-2-71-gm.160_050)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;197106271120000    197106281915000
&gt;197106281935000    197106300420000
&gt;197106300440000    197106301200000
&gt;197106301440000    197106302030000
&gt;197107010055000    197107011605000
&gt;197107011640000    197107011840000
&gt;197107011910000    197107021625000
&gt;197107022120000    197107031200000
&gt;197107031225000    197107031540000
&gt;197107040355000    197107041205000
&gt;197107042200000    197107050110000
&gt;197107070320000    197107071420000
&gt;197107071430000    197107071440000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;Magnetics Data (u-2-71-gm.220_050)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;197106271116180    197106281706480
&gt;197106281713000    197106290647540
&gt;197106290654060    197106291537180
&gt;197106291543300    197106291826180
&gt;197106291832300    197106292058120
&gt;197106292104240    197106300208180
&gt;197106300214300    197106300237240
&gt;197106300243360    197106300308360
&gt;197106300316540    197106300535480
&gt;197106300542060    197106301517000
&gt;197106301523120    197106301917420
&gt;197106301923540    197106301928060
&gt;197106301936240    197106302034300
&gt;197107010054360    197107010738480
&gt;197107010745000    197107010749120
&gt;197107010755240    197107010857420
&gt;197107010904000    197107010939180
&gt;197107010949420    197107011225300
&gt;197107011233480    197107011309120
&gt;197107011323420    197107011357000
&gt;197107011405240    197107011442540
&gt;197107011449060    197107011526360
&gt;197107011532480    197107011534540
&gt;197107011544240    197107011549240
&gt;197107011555360    197107011608000
&gt;197107011613240    197107011638180
&gt;197107011644360    197107011646420
&gt;197107011657060    197107011715480
&gt;197107011726120    197107011726120
&gt;197107011732300    197107011803420
&gt;197107011812000    197107011847240
&gt;197107011857480    197107011933120
&gt;197107011943420    197107011958120
&gt;197107012004300    197107012014540
&gt;197107012023120    197107012125360
&gt;197107012133540    197107012138000
&gt;197107012144180    197107012209120
&gt;197107012215240    197107012254480
&gt;197107012303060    197107012323540
&gt;197107012342480    197107020007480
&gt;197107020018120    197107020055360
&gt;197107020103540    197107020118240
&gt;197107020149300    197107020159480
&gt;197107020206000    197107020245240
&gt;197107020253420    197107020328540
&gt;197107020337120    197107020408180
&gt;197107020422480    197107020449480
&gt;197107020504180    197107020557540
&gt;197107020604000    197107020719480
&gt;197107020726000    197107020805000
&gt;197107020813120    197107020848180
&gt;197107020854300    197107020927360
&gt;197107020935540    197107021009060
&gt;197107021015240    197107021117420
&gt;197107021124000    197107021159180
&gt;197107021205300    197107021406180
&gt;197107021412360    197107021627000
&gt;197107022104480    197107030226540
&gt;197107030233060    197107031542120
&gt;197107040403120    197107041207300
&gt;197107042156120    197107042156120
&gt;197107042215180    197107050109240
&gt;197107070323060    197107070323060
&gt;197107070342000    197107080137060
&gt;197107080143180    197107080842420
&gt;197107080848540    197107080930120
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;Bathymetry Data (u-2-71-gm.325_050)
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
&gt;197106271130000    197106272300000
&gt;197106272330000    197106280000000
&gt;197106280030000    197106280030000
&gt;197106280100000    197106280100000
&gt;197106280130000    197106280130000
&gt;197106280200000    197106280200000
&gt;197106280230000    197106280230000
&gt;197106280300000    197106280300000
&gt;197106280330000    197106281430000
&gt;197106281500000    197106281730000
&gt;197106281800000    197106290530000
&gt;197106290600000    197106290600000
&gt;197106290630000    197106290630000
&gt;197106290700000    197106300030000
&gt;197106300100000    197106301005000
&gt;197106301030000    197106301630000
&gt;197106301700000    197106302030000
&gt;197107010130000    197107011530000
&gt;197107011600000    197107012330000
&gt;197107020000000    197107020400000
&gt;197107020430000    197107020430000
&gt;197107020500000    197107020945000
&gt;197107021045000    197107021630000
&gt;197107022030000    197107030330000
&gt;197107030400000    197107031645000
&gt;197107040345000    197107041200000
&gt;197107042215000    197107050112000
&gt;197107070315000    197107071000000
&gt;197107071030000    197107071030000
&gt;197107071100000    197107071100000
&gt;197107071130000    197107071130000
&gt;197107071200000    197107071200000
&gt;197107071230000    197107071230000
&gt;197107071300000    197107071300000
&gt;197107071330000    197107071330000
&gt;197107071400000    197107071430000
&gt;197107071500000    197107071500000
&gt;197107071530000    197107071530000
&gt;197107071600000    197107071600000
&gt;197107071630000    197107071630000
&gt;197107071700000    197107071700000
&gt;197107071730000    197107071730000
&gt;197107071800000    197107071800000
&gt;197107071830000    197107071830000
&gt;197107071900000    197107071900000
&gt;197107071930000    197107071930000
&gt;197107072000000    197107072000000
&gt;197107072030000    197107072030000
&gt;197107072100000    197107072100000
&gt;197107072130000    197107072130000
&gt;197107072200000    197107072200000
&gt;197107072230000    197107072230000
&gt;197107072300000    197107072300000
&gt;197107072330000    197107072330000
&gt;197107080000000    197107080230000
&gt;197107080300000    197107080300000
&gt;197107080330000    197107080330000
&gt;197107080400000    197107080400000
&gt;197107080430000    197107080430000
&gt;197107080500000    197107080500000
&gt;197107080530000    197107080530000
&gt;197107080600000    197107080600000
&gt;197107080630000    197107080630000
&gt;197107080700000    197107080700000
&gt;197107080730000    197107080730000
&gt;197107080800000    197107080800000
&gt;197107080830000    197107080830000
&gt;197107080900000    197107080900000
&gt;197107080930000    197107080930000
&gt;YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
</complete>
<posacc>
<horizpa>
<horizpar>Unspecified</horizpar>
</horizpa>
<vertacc>
<vertaccr>Unspecified</vertaccr>
</vertacc>
</posacc>
<lineage>
<procstep>
<procdesc>
Navigation Data
&gt;Converted to time format with year at start.
&gt;
&gt;02/11/86 KAYE DUA0:[DATA.U271GM.N]U271GM.050;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
</procdesc>
<procdate>19951215</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</proccont>
</procstep>
<procstep>
<procdesc>
Gravity Data
&gt;10/31/1998  /tiger/u/u271gm/grav/u-2-71-gm.160_050
&gt;/bear/programs/edit/automerge/automerge
&gt;
&gt;Input was...
&gt;Converted to time format with year at start.
&gt;
&gt;03/07/86 BARB DUA0:[DATA.U271GM]U271GM.160;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
&gt;Input was...
&gt;Converted to time format with year at start.
&gt;
&gt;02/11/86 KAYE DUA0:[DATA.U271GM.N]U271GM.050;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
&gt;time, lat, long, time(sec) to nearest nav fix, data values
</procdesc>
<procdate>19981031</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</proccont>
</procstep>
<procstep>
<procdesc>
Magnetics Data
&gt;06/20/2012 carolyn u-2-71-gm.220_050
&gt;
&gt;Reprocessed using subroutines from Susan Macmillan's
&gt;IGRF SYNTHESIS PROGRAM &lt;http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f&gt;
&gt;with IGRF-11 coeffiecients integrated into the source code.
&gt;/infobank/programs/mag/magred11/magred11.for
&gt;Using geodetic coordinate system (Earth shape approximated by spheriod)
&gt;with altitude 0.0 km (for sea level).
&gt;
&gt;Input was...
&gt;10/31/1998  /tiger/u/u271gm/mag/u-2-71-gm.200_050
&gt;/bear/programs/edit/automerge/automerge
&gt;
&gt;Converted to time format with year at start.
&gt;
&gt;03/10/86 CAROLYN DRS$DATA:[U271GM.M]U271GM.200;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;was U271GM.220 from 71BKUP
&gt;
&gt;03/22/85 CAROLYN USR$DISK:[DRS.DATA.U2.M]U271GM.220;
&gt;USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
&gt;
&gt;Converted to time format with year at start.
&gt;
&gt;02/11/86 KAYE DUA0:[DATA.U271GM.N]U271GM.050;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
&gt;time, lat, long, time(sec) to nearest nav fix, data values
</procdesc>
<procdate>20120620</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</proccont>
</procstep>
<procstep>
<procdesc>
Bathymetry Data
&gt;10/31/1998  /tiger/u/u271gm/bath/u-2-71-gm.325_050
&gt;/bear/programs/edit/automerge/automerge
&gt;
&gt;Input was...
&gt;Converted to time format with year at start.
&gt;
&gt;03/07/86 BECKIE DUA0:[DATA.U271GM]U271GM.325;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
&gt;Input was...
&gt;Converted to time format with year at start.
&gt;
&gt;02/11/86 KAYE DUA0:[DATA.U271GM.N]U271GM.050;
&gt;DRB0:[DRS.REFMT]REFORMAT.EXE;5
&gt;
&gt;time, lat, long, time(sec) to nearest nav fix, data values
</procdesc>
<procdate>19981031</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</proccont>
</procstep>
</lineage>
</dataqual>
<spdoinfo>
<indspref>East Margin Yucatan Peninsula</indspref>
<direct>Point</direct>
<ptvctinf>
<sdtsterm>
<sdtstype>Point</sdtstype>
</sdtsterm>
</ptvctinf>
</spdoinfo>
<spref>
<horizsys>
<geograph>
<latres>0.00001</latres>
<longres>0.00001</longres>
<geogunit>Decimal degrees</geogunit>
</geograph>
<geodetic>
<horizdn>North American Datum of 1927</horizdn>
<ellips>Clarke 1866</ellips>
<semiaxis>6378206.4</semiaxis>
<denflat>294.98</denflat>
</geodetic>
</horizsys>
<vertdef>
<depthsys>
<depthdn>Local surface</depthdn>
<depthres>0.1</depthres>
<depthdu>meters</depthdu>
<depthem>Attribute values</depthem>
</depthsys>
</vertdef>
</spref>
<eainfo>
<overview>
<eaover>Bathymetry with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html&gt;</eaover>
</overview>
<overview>
<eaover>Gravity with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html&gt;</eaover>
</overview>
<overview>
<eaover>Magnetics with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html&gt;</eaover>
</overview>
<overview>
<eaover>Navigation with Time Stamp &lt;http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html&gt;</eaover>
</overview>
</eainfo>
<distinfo>
<distrib>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</distrib>
<resdesc>Downloadable Data U-2-71-GM data set &lt;http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.meta.html&gt;</resdesc>
<distliab>
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.
</distliab>
<stdorder>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.1</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.nav.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.2</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.grav.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.2</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.mag.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<digform>
<digtinfo>
<formname>ASCII</formname>
<filedec>No compression applied</filedec>
<transize>0.0</transize>
</digtinfo>
<digtopt>
<onlinopt>
<computer>
<networka>
<networkr>http://walrus.wr.usgs.gov/infobank/u/u271gm/html/u-2-71-gm.bath.html</networkr>
</networka>
</computer>
</onlinopt>
</digtopt>
</digform>
<fees>None</fees>
</stdorder>
</distinfo>
<metainfo>
<metd>20130331</metd>
<metc>
<cntinfo>
<cntorgp>
<cntorg>U.S. Geological Survey (USGS) &lt;http://www.usgs.gov&gt;, Coastal and Marine Geology (CMG) &lt;http://walrus.wr.usgs.gov&gt;</cntorg>
<cntper>Clint Steele &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntper>
</cntorgp>
<cntpos>InfoBank Group Leader &lt;http://walrus.wr.usgs.gov/staff/csteele.html&gt;</cntpos>
<cntaddr>
<addrtype>mailing and physical address</addrtype>
<address>USGS, MailStop 999, 345 Middlefield Road</address>
<city>Menlo Park</city>
<state>CA</state>
<postal>94025-3561</postal>
<country>USA</country>
</cntaddr>
<cntvoice>(650) 329-5055</cntvoice>
<cntfax>(650) 329-5190</cntfax>
<cntemail>infobank@octopus.wr.usgs.gov &lt;mailto:infobank@octopus.wr.usgs.gov&gt;</cntemail>
</cntinfo>
</metc>
<metstdn>FGDC Content Standards for Digital Geospatial Metadata &lt;http://www.fgdc.gov/&gt;</metstdn>
<metstdv>FGDC-STD-001-1998 &lt;http://www.its.nbs.gov/nbs/meta/meta.html&gt;</metstdv>
<mettc>universal time</mettc>
<metac>none</metac>
<metuc>none</metuc>
</metainfo>
</metadata>
