VERTCRS["IGN 1966 height",
    VDATUM["IGN 1966"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["French Polynesia - Society Islands - Tahiti."],
        BBOX[-17.93,-149.7,-17.44,-149.09]],
    ID["EPSG",5601]]