VERTCRS["NIVELLEMENT GENERAL DE LIFOU (IGN 1991 LF)",
    VDATUM["NIVELLEMENT GENERAL DE LIFOU (IGN 1991 LF)"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["LOCALE A CARACTERE LEGAL"],
        AREA["LIFOU (ILES LOYAUTE)"],
        BBOX[-21.22,166.96,-20.65,167.51]],
    ID["IGNF","LIFOU91"]]