GEOGCS["Merchich",
    DATUM["Merchich",
        SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],
        TOWGS84[31,146,47,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4261"]]