VERTCRS["IGRS",
    VDATUM["D_Iraqi_Geospatial_Reference_System"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["Iraq - onshore and offshore."],
        BBOX[29.06,38.79,37.39,48.75]],
    ID["ESRI",115725]]