VERTCRS["IGN 1988 (GUADELOUPE)",
    VDATUM["IGN 1988 (GUADELOUPE)"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["NATIONALE A CARACTERE LEGAL"],
        AREA["GRANDE-TERRE ET BASSE-TERRE (GUADELOUPE)"],
        BBOX[15.88,-61.85,16.63,-61.08]],
    ID["IGNF","GUAD88"]]