VERTCRS["RGF93_v2b_(lon-lat)",
    VDATUM["Reseau_Geodesique_Francais_1993_v2b"],
    CS[vertical,1],
        AXIS["ellipsoidal height (h)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica)."],
        BBOX[41.15,-9.86,51.56,10.38]],
    ID["ESRI",115919]]