VERTCRS["IGN 1988 LS (GUADELOUPE / LES SAINTES)",
    VDATUM["IGN 1988 LS (GUADELOUPE / LES SAINTES)"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["LOCALE A CARACTERE LEGAL"],
        AREA["ILE DES SAINTES (GUADELOUPE)"],
        BBOX[15.8,-61.7,15.93,-61.48]],
    ID["IGNF","GUAD88LS"]]