GEOGCS["Pointe Geologie Perroud 1950 geographiques (dms)",
    DATUM["Pointe_Geologie_Perroud_1950",
        SPHEROID["International 1924",6378388,297,
            AUTHORITY["EPSG","7022"]],
        AUTHORITY["EPSG","6637"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["IGNF","TERA50G"]]