GEOGCS["Datum 73", DATUM["Datum_73", SPHEROID["International 1924",6378388,297], TOWGS84[-239.749,88.181,30.488,-0.263,-0.082,-1.211,2.229]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4274"]]