VERT_CS["PNG94",
    VERT_DATUM["D_Papua_New_Guinea_Geodetic_Datum_1994",2002,
        AUTHORITY["ESRI","from_geogdatum_EPSG_1076"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115767"]]