INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (20257, 'EPSG', 20257, '+proj=utm +zone=57 +south +ellps=aust_SA +nadgrids="A66 National (13.09.01).gsb" +units=m +no_defs +type=crs', 'PROJCS["AGD66 / AMG zone 57",GEOGCS["AGD66",DATUM["Australian_Geodetic_Datum_1966",SPHEROID["Australian National Spheroid",6378160,298.25],EXTENSION["PROJ4_GRIDS","A66 National (13.09.01).gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4202"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",159],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","20257"]]');