PROJCS["Tananarive / Laborde Grid",
    GEOGCS["Tananarive",
        DATUM["Tananarive_1925",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[-189,-242,-91,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4297"]],
    PROJECTION["Laborde_Oblique_Mercator"],
    PARAMETER["latitude_of_center",-18.9],
    PARAMETER["longitude_of_center",46.4372291666667],
    PARAMETER["azimuth",18.9],
    PARAMETER["scale_factor",0.9995],
    PARAMETER["false_easting",400000],
    PARAMETER["false_northing",800000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","8441"]]