VERTCRS["GDBD2009",
    VDATUM["D_GDBD2009"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Brunei Darussalam - onshore and offshore."],
        BBOX[4.01,112.37,6.31,115.37]],
    ID["ESRI",115716]]