VERTCRS["CBVD61 height (ft)",
    VDATUM["Cayman Brac Vertical Datum 1961"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["foot",0.3048]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["Cayman Islands - Cayman Brac."],
        BBOX[19.66,-79.92,19.78,-79.69]],
    ID["EPSG",6132]]