COMPOUNDCRS["RGFG95 geographiques (dms) et NIVELLEMENT GENERAL DE GUYANE (NGG) 1977",
    GEOGCRS["RGFG95 geographiques (dms)",
        DATUM["Reseau Geodesique Francais Guyane 1995",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        CS[ellipsoidal,2],
            AXIS["geodetic longitude (Lon)",east,
                ORDER[1],
                ANGLEUNIT["degree",0.0174532925199433]],
            AXIS["geodetic latitude (Lat)",north,
                ORDER[2],
                ANGLEUNIT["degree",0.0174532925199433]]],
    VERTCRS["NIVELLEMENT GENERAL DE GUYANE (NGG) 1977",
        VDATUM["NIVELLEMENT GENERAL DE GUYANE (NGG) 1977"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["LOCALE A CARACTERE LEGAL"],
        AREA["GUYANE FRANCAISE"],
        BBOX[2.05,-54.95,5.95,-51.05]],
    ID["IGNF","RGFG95G.GUYA77"]]