Instantaneous Water Level

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    referenceSystemIdentifier:  (RS_Identifier)
        authority:  (CI_Citation)
            title:   Instantaneous Water Level
            alternateTitle:   Sea Level
            date:  (CI_Date)
                date:   2012-08-10
                dateType:  (CI_DateTypeCode)  revision
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  withheld
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage:   http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:datum:EPSG::5113
                        name:   NAVD88
                        description:   Link to Geographic Markup Language (GML) description of reference system.
                        function:  (CI_OnLineFunctionCode)  information
                role:  (CI_RoleCode)  resourceProvider
            citedResponsibleParty:  xlink: https://www.ngdc.noaa.gov/docucomp/68498237-c535-48dd-a292-17c2fc36cb97 title: EPSG Registry
        code:   urn:ogc:def:datum:EPSG::5113