GEOGCS["IGN53 Mare",DATUM["IGN53_Mare",SPHEROID["International 1924",6378388,297],TOWGS84[-408.809,366.857,-412.987,-1.8843,0.5308,-2.1657,-121.0994]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4641"]]