GEOGCS["Chatham Islands 1979",
    DATUM["Chatham_Islands_Datum_1979",
        SPHEROID["International 1924",6378388,297],
        TOWGS84[174.05,-25.49,112.57,0,0,-0.554,0.2263]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4673"]]