VERT_CS["NAD83(CSRS)v6",
    VERT_DATUM["North_American_Datum_of_1983_(CSRS)_version_6",2002,
        AUTHORITY["ESRI","from_geogdatum_EPSG_1197"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Ellipsoidal height",UP],
    AUTHORITY["ESRI","115835"]]