PROJCS["PSAD56 / Peru west zone",
    GEOGCS["PSAD56",
        DATUM["Provisional_South_American_Datum_1956",
            SPHEROID["International 1924",6378388,297,
                AUTHORITY["EPSG","7022"]],
            TOWGS84[-291.87,106.37,-364.52,0,0,0,0],
            AUTHORITY["EPSG","6248"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4248"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",-6],
    PARAMETER["central_meridian",-80.5],
    PARAMETER["scale_factor",0.99983008],
    PARAMETER["false_easting",222000],
    PARAMETER["false_northing",1426834.743],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","24891"]]