VERT_CS["IGN 1989 (REUNION)",
    VERT_DATUM["IGN 1989 (REUNION)",2005,
        AUTHORITY["IGNF","REA033"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["IGNF","REUN89"]]