<gml:verticalDatumRef xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" gml:remoteSchema="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple"> <gml:VerticalDatum gml:id="">{1,1}</gml:VerticalDatum> </gml:verticalDatumRef>
<element name="verticalDatumRef" type="gml:VerticalDatumPropertyType"> <annotation> <appinfo>deprecated</appinfo> </annotation> </element>