VERTCRS["PRVD02 height",
    VDATUM["Puerto Rico Vertical Datum of 2002"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Puerto Rico - onshore."],
        BBOX[17.87,-67.97,18.57,-65.19]],
    ID["EPSG",6641]]