Mean Lower Low Water depth

 (MD_ReferenceSystem) uuid: defe1bdc-40fd-426b-a262-a57b9909d08c
    referenceSystemIdentifier:  (RS_Identifier)
        authority:  (CI_Citation)
            title:   Mean Lower Low Water depth
            alternateTitle:   MLLW depth
            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:crs:EPSG::5866
                        name:   MLLW depth
                        description:   GML for Mean Lower Low Water vertical coordinate reference system (in meters) available from the epsg-registry.
                        function:  (CI_OnLineFunctionCode)  information
                role:  (CI_RoleCode)  resourceProvider
            citedResponsibleParty:  xlink: https://data.noaa.gov/docucomp/68498237-c535-48dd-a292-17c2fc36cb97 title: EPSG Registry
        code:   urn:ogc:def:crs:EPSG::5866