# put this custom projection in the 'user_projections' file inside the GEOSERVER_DATA_DIR
#You can further work with your projections via the web admin tool.
21=PROJCS["Transverse_Mercator",GEOGCS["Unknown",DATUM["Australian_Geodetic_Datum_66",SPHEROID["Australian",6378160,298.25]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",141],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["Meter",1.0]]