VERTCRS["Lerwick height",
    VDATUM["Lerwick"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["United Kingdom (UK) - Great Britain - Scotland - Shetland Islands onshore."],
        BBOX[59.83,-1.78,60.87,-0.67]],
    ID["EPSG",5742]]