GEOGCS["IGN53 Mare",DATUM["IGN53_Mare",SPHEROID["International 1924",6378388,297],TOWGS84[-408.809,366.856,-412.987,1.8842,-0.5308,2.1655,-121.0993]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4641"]]