# 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.
86=PROJCS["World_Polyconic",GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS_1967_Truncated",6378160.0,298.25]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Polyconic"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-54.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]