PROJCRS["WGS72 UTM fuseau 31",
    BASEGEOGCRS["WGS72 geographiques (dms)",
        DYNAMIC[
            FRAMEEPOCH[1972]],
        DATUM["World Geodetic System 1972",
            ELLIPSOID["WGS 72",6378135,298.26,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["IGNF","WGS72G"]],
    CONVERSION["UTM NORD FUSEAU 31",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",3,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9996,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",500000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["MONDIALE, HISTORIQUE"],
        AREA["PLANETE TERRE ET SON ENVIRONNEMENT PROCHE - UTM NORD FUSEAU 31"],
        BBOX[0,0,80,6]],
    ID["IGNF","UTM31W72"]]