VERTCRS["ONGD17",
    VDATUM["Oman_National_Geodetic_Datum_2017"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Oman - onshore and offshore."],
        BBOX[14.33,51.99,26.74,63.38]],
    ID["ESRI",115847]]