VERT_CS["CGVD2013(CGG2013) height",
    VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013)",2005,
        AUTHORITY["EPSG","1127"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6647"]]