VERT_CS["LCVD61 height (ft)",
    VERT_DATUM["Little Cayman Vertical Datum 1961",2005,
        AUTHORITY["EPSG","1098"]],
    UNIT["foot",0.3048,
        AUTHORITY["EPSG","9002"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6131"]]