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identificationInfo
contentInfo
distributionInfo
dataQualityInfo
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2012 USACE Post Hurricane Sandy Topographic LiDAR: Virginia and Maryland
 (MI_Metadata)
    fileIdentifier:  gov.noaa.csc.maps:2012_USACE_PostSandy_MD_VA_m1437
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        individualName:  Mike Sutherland
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  303-497-6120
                facsimile:  303-497-6513
            address:  (CI_Address)
                deliveryPoint:  NOAA/NESDIS/NGDC E/GC1 325 Broadway
                city:  Boulder
                administrativeArea:  CO
                postalCode:  80305-3328
                country:  USA
                electronicMailAddress:  mike.sutherland@noaa.gov
            hoursOfService:  7:30am-5:00pm Mountain
        role:  (CI_RoleCode) author
    dateStamp:  2013-02-20
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    spatialRepresentationInfo:  (MD_VectorSpatialRepresentation)
        geometricObjects:  (MD_GeometricObjects)
            geometricObjectType:  (MD_GeometricObjectTypeCode) point
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            authority:  (CI_Citation)
                title:  North American Datum 1983
                alternateTitle:  NAD83
                date:  (CI_Date)
                    date:  2007-01-19
                    dateType:  (CI_DateTypeCode) revision
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
                            name:  NAD83
                            description:  Link to Geographic Markup Language (GML) description of reference system.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.epsg-registry.org/
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
                            function:  (CI_OnLineFunctionCode) search
                    role:  (CI_RoleCode) publisher
            code:  urn:ogc:def:crs:EPSG::4269
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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
            code:  Ellipsoid in Meters
            codeSpace:  Local Vertical Reference
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  2012 USACE Post Hurricane Sandy Topographic LiDAR: Virginia and Maryland
            date:  (CI_Date)
                date:  2013-01-01
                dateType:  (CI_DateTypeCode) publication
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  coastal.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://coast.noaa.gov
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  US Army Corps of Engineers (USACE) St. Louis District
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  coastal.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://coast.noaa.gov
                role:  (CI_RoleCode) publisher
            presentationForm:  (CI_PresentationFormCode) imageDigital
        abstract:  TASK ORDER NAME: VIRGINIA AND MARYLAND LIDAR ACQUISITION FOR HURRICANE SANDY RESPONSE CONTRACT NUMBER: W912P9-10-D-0533 TASK ORDER NUMBER: W81C8X2314841 Woolpert Project Number: 72903 HQ. USACE required high-resolution digital elevation data developed from airborne LiDAR technology for the Assateague Island, MD; Assateague Island, VA; Tangier Island, VA; Cape Henry to Willoughby Point, VA; AOIs for a total of approximately eighty (80) square miles in the North Atlantic Division. The final LiDAR data was delivered in a UTM projection tiling format, based on a modular layout. The tiles were clipped to eliminate overlap between adjacent tiles. The 1000 meter x 1000 meter tile file name was derived from the National Grid naming convention.
        purpose:  The data will be used by the USACE to generate digital elevation models and contours for use in, damage assessment to USACE projects, engineering design and design reviews, conservation planning, research, delivery, floodplain mapping, and hydrologic modeling utilizing LiDAR technology. The task order required that the LiDAR data was to be acquired within six (6) days of receiving Notice to Proceed (NTP). The project data will consist of high accuracy classified bare-earth LiDAR data in LAS format well as raster digital elevation models per task order requirements. The specifications are based upon the U.S. Geological Survey National Geospatial Program Lidar Base Specifications 1.0, which may be viewed at http://pub.usgs.gov/tm/11b4/.
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            organisationName:  US Army Corps of Engineers St. Louis District
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  314-331-8389
                address:  (CI_Address)
                    deliveryPoint:  1222 Spruce Street
                    city:  St. Louis
                    administrativeArea:  MO
                    postalCode:  63103
                    country:  USA
                    electronicMailAddress:  ted.e.stanton@usace.army.mil
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        graphicOverview:  (MD_BrowseGraphic)
            fileName:  ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/ny/usace/2012_USACE_PostSandy_MD_VA_footprint.KMZ
            fileDescription:  This kmz file shows the extent of coverage for the 2012 USACE Post-Hurricane Sandy Maryland and Virginia lidar data set
            fileType:  kmz
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Bathymetry/Topography
            keyword:  LiDAR
            keyword:  LAS
            keyword:  Elevation
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  None
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  United States
            keyword:  Virginia
            keyword:  Assateague Island
            keyword:  Tangier Island
            keyword:  Cape Henry
            keyword:  Willoughby Point
            keyword:  Maryland
            keyword:  Assateague Island
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  None
                date:
        resourceConstraints:  (MD_Constraints)
            useLimitation:  These data depict the elevations at the time of the survey and are only accurate for that time. Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. Any conclusions drawn from analysis of this information are not the responsibility of NOAA or any of its partners. These data are NOT to be used for navigational purposes.
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) vector
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) elevation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -76.335528
                eastBoundLongitude:  -75.022929
                southBoundLatitude:  36.862742
                northBoundLatitude:  38.488328
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2012-11-09
                    endPosition:  2012-11-11
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    contentInfo:  (MD_ImageDescription)
        attributeDescription:
        contentType:
        cloudCoverPercentage:
          Real:  0
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  LAZ
            version:
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  843-740-1200
                    address:  (CI_Address)
                        deliveryPoint:  2234 South Hobson Ave.
                        city:  Charleston
                        administrativeArea:  SC
                        postalCode:  29405-2413
                        electronicMailAddress:  coastal.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://coast.noaa.gov
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                orderingInstructions:  The National Geophysical Data Center serves as the archive for this LIDAR data. NGDC should only be contacted for this data if it cannot be obtained from NOAA Coastal Services Center.
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                individualName:  Mike Sutherland
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  303-497-6120
                        facsimile:  303-497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC E/GC1 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  mike.sutherland@noaa.gov
                    hoursOfService:  7:30am-5:00pm Mountain
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                orderingInstructions:  The National Geophysical Data Center serves as the archive for this LIDAR dataset. NGDC should only be contacted for the data if it cannot be obtained from NOAA Coastal Services Center.
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy Report
            evaluationMethodDescription:  Horizontal accuracy is +/- 0.304m at the 95% confidence level.
            result:
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            measureDescription:  Units in meters. LiDAR system calibration is available upon request from Woolpert, Inc.
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:
                value:
                  Record:  0.304
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy Report
            evaluationMethodDescription:  The LAS data for the LiDAR Acquisition for Hurricane Sandy Response Virginia and Maryland Areas of Interest was compared to survey control points to determine the FVA of the LAS Swath and of the Bare- Earth DEM. LAS Swath Fundamental Vertical Accuracy (FVA) Tested 0.143m (14.3cm) fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.073m (7.3cm) (RMSEz x 1.96000, tested against the TIN). Bare-Earth DEM Fundamental Vertical Accuracy (FVA) Tested 0.143m (14.3cm) fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.073m (7.3cm) (RMSEz x 1.96000, tested against the DEM).
            result:
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy
            measureDescription:  Units in meters. LAS Swath Fundamental Vertical Accuracy (FVA) Tested 0.143m (14.3cm) fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.073m (7.3cm) (RMSEz x 1.96000, tested against the TIN).
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:
                value:
                  Record:  0.143
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Vertical Positional Accuracy
            measureDescription:  Units in meters. Bare-Earth DEM Fundamental Vertical Accuracy (FVA) Tested 0.143m (14.3cm) fundamental vertical accuracy at a 95 percent confidence level, derived according to NSSDA, in open terrain using 0.073m (7.3cm) (RMSEz x 1.96000, tested against the DEM).
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:
                value:
                  Record:  0.143
        report:  (DQ_CompletenessCommission)
            evaluationMethodDescription:  Complete
            result:
        report:  (DQ_ConceptualConsistency)
            measureDescription:  The data is visually inspected by Woolpert, Inc.
            result:
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Using an Optech Gemini LiDAR Sensor, 32 flight lines of high density data, at a nominal pulse spacing (NPS) of 1 meter, were collected along the Virginia coastal area separated into areas of interest: Assateague Island (Maryland), Assateague Island (Virginia), Tangier Island (Virginia), and Cape Henry to Willoughby Point (Virginia) (approximately 80 square miles). Data Acquisition Height = 5,500 feet AGL - Aircraft Speed = 125 Knots. Multiple returns were recorded for each laser pulse along with an intensity value for each return. A total of three (3) missions were flown during a period from November 9, 2012 through November 11, 2012. Two airborne global positioning system (GPS) base stations were used in support of the LiDAR data acquisition. Sixteen (16) ground control points were surveyed through static methods. The geoid used to reduce satellite derived elevations to orthometric heights was Geoid12A. Data for the task order is referenced to the UTM Zone 18N, North American Datum of 1983 (NAD83), and NAVD88, in Meters. Airborne GPS data was differentially processed and integrated with the post processed IMU data to derive a smoothed best estimate of trajectory (SBET). The SBET was used to reduce the LiDAR slant range measurements to a raw reflective surface for each flight line. The coverage was classified to extract a bare earth digital elevation model (DEM) and separate last returns. In addition to the LAS deliverables, one layer of coverage was delivered in the ArcGrid Format: bare-earth.
                dateTime:
                  DateTime:  2012-11-09T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Woolpert, Inc.
                    positionName:  Geospatial Services
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  (937) 461-5660
                            facsimile:  (937) 461-0743
                        address:  (CI_Address)
                            deliveryPoint:  4454 Idea Center Blvd.
                            city:  Dayton
                            administrativeArea:  OH
                            postalCode:  45430
                            country:  USA
                        hoursOfService:  8:00 a.m. to 5:00 p.m. Eastern Time
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The LiDAR system calibration and system performance is verified on a periodic basis using Woolpert's calibration range. The calibration range consists of a large building and runway. The edges of the building and control points along the runway have been located using conventional survey methods. Inertial measurement unit (IMU) misalignment angles and horizontal accuracy are calculated by comparing the position of the building edges between opposing flight lines. The scanner scale factor and vertical accuracy is calculated through comparison of LiDAR data against control points along the runway. Field calibration is performed on all flight lines to refine the IMU misalignment angles. IMU misalignment angles are calculated from the relative displacement of features within the overlap region of adjacent (and opposing) flight lines. The raw LiDAR data is reduced using the refined misalignment angles.
                dateTime:
                  DateTime:  2012-01-01T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Woolpert, Inc.
                    positionName:  Geospatial Services
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  (937) 461-5660
                            facsimile:  (937) 461-0743
                        address:  (CI_Address)
                            deliveryPoint:  4454 Idea Center Blvd.
                            city:  Dayton
                            administrativeArea:  OH
                            postalCode:  45430
                            country:  USA
                        hoursOfService:  8:00 a.m. to 5:00 p.m. Eastern Time
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  Once the data acquisition and GPS processing phases are complete, the LiDAR data was processed immediately to verify the coverage had no voids. The GPS and IMU data was post processed using differential and Kalman filter algorithms to derive a best estimate of trajectory. The quality of the solution was verified to be consistent with the accuracy requirements of the project.
                dateTime:
                  DateTime:  2012-11-12T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Woolpert, Inc.
                    positionName:  Geospatial Services
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  (937) 461-5660
                            facsimile:  (937) 461-0743
                        address:  (CI_Address)
                            deliveryPoint:  4454 Idea Center Blvd.
                            city:  Dayton
                            administrativeArea:  OH
                            postalCode:  45430
                            country:  USA
                        hoursOfService:  8:00 a.m. to 5:00 p.m. Eastern Time
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The individual flight lines were inspected to ensure the systematic and residual errors have been identified and removed. Then, the flight lines were compared to adjacent flight lines for any mismatches to obtain a homogenous coverage throughout the project area. The point cloud underwent a classification process to determine bare-earth points and non-ground points utilizing "first and only" as well as "last of many" LiDAR returns. This process determined Default (Class 1), Ground (Class 2),Noise (Class 7), Model Key Points (Class 8), and Overlap (Class 12) classifications. The bare-earth (Class 2 - Ground) LiDAR points underwent a manual QA/QC step to verify that artifacts have been removed from the bare-earth surface. The surveyed ground control points are used to perform the accuracy checks and statistical analysis of the LiDAR dataset.
                dateTime:
                  DateTime:  2012-11-12T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  Woolpert, Inc.
                    positionName:  Geospatial Services
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  (937) 461-5660
                            facsimile:  (937) 461-0743
                        address:  (CI_Address)
                            deliveryPoint:  4454 Idea Center Blvd.
                            city:  Dayton
                            administrativeArea:  OH
                            postalCode:  45430
                            country:  USA
                        hoursOfService:  8:00 a.m. to 5:00 p.m. Eastern Time
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The NOAA Coastal Services Center (CSC) received topographic files in LAS format. The files contained lidar elevation and intensity measurements. The data were received in projected coordinates of NAD83 UTM18N, meters and were vertically referenced to NAVD88 using the Geoid12a model. The vertical units of the data were meters. CSC performed the following processing for data storage and Digital Coast provisioning purposes: 1. The topographic las files were converted from orthometric (NAVD88) heights to ellipsoidal heights using Geoid12a. 2. The topographic las files were converted from Projected Coordinates (NAD83 UTM18N, meters) to Geographic Coordinates (NAD83, decimal degrees). 3. The data were converted to LAZ format.
                dateTime:
                  DateTime:  2013-01-01T00:00:00
                processor:  (CI_ResponsibleParty)
                    organisationName:  DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  843-740-1200
                        address:  (CI_Address)
                            deliveryPoint:  2234 South Hobson Ave.
                            city:  Charleston
                            administrativeArea:  SC
                            postalCode:  29405-2413
                            electronicMailAddress:  coastal.info@noaa.gov
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://coast.noaa.gov
                    role:  (CI_RoleCode) processor
            processStep:  (LE_ProcessStep)
                description:  The NOAA National Geophysical Data Center (NGDC) received lidar data files via ftp transfer from the NOAA Coastal Services Center. The data are currently being served via NOAA CSC Digital Coast at http://www.csc.noaa.gov/digitalcoast/. The data can be used to re-populate the system. The data are archived in LAS or LAZ format. The LAS format is an industry standard for LiDAR data developed by the American Society of Photogrammetry and Remote Sensing (ASPRS); LAZ is a loseless compressed version of LAS developed by Martin Isenburg (http://www.laszip.org/). The data are exclusively in geographic coordinates (either NAD83 or ITRF94). The data are referenced vertically to the ellipsoid (either GRS80 or ITRF94), allowing for the ability to apply the most up to date geoid model when transforming to orthometric heights.
                dateTime:
                  DateTime:  2013-02-20T00:00:00
                processor:  (CI_ResponsibleParty)
                    individualName:  Mike Sutherland
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  303-497-6120
                            facsimile:  303-497-6513
                        address:  (CI_Address)
                            deliveryPoint:  NOAA/NESDIS/NGDC E/GC1 325 Broadway
                            city:  Boulder
                            administrativeArea:  CO
                            postalCode:  80305-3328
                            country:  USA
                            electronicMailAddress:  mike.sutherland@noaa.gov
                        hoursOfService:  7:30am-5:00pm Mountain
                    role:  (CI_RoleCode) processor
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        dateOfNextUpdate:  2014-02-20
        maintenanceNote:  This metadata was automatically generated from the FGDC Content Standards for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2013-01-04 version of the FGDC RSE to ISO 19115-2 for LiDAR transform.
        maintenanceNote:  Translated from FGDC 2013-02-20T11:26:31.091-07:00