GEOGCS["Madrid 1870 (Madrid)",
    DATUM["Madrid_1870_Madrid",
        SPHEROID["Struve 1860",6378298.3,294.73,
            AUTHORITY["EPSG","7028"]],
        AUTHORITY["EPSG","6903"]],
    PRIMEM["Madrid",-3.687375,
        AUTHORITY["EPSG","8905"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4903"]]