proj4.defs("EPSG:3139","+proj=cass +hyperbolic +lat_0=-16.25 +lon_0=179.333333333333 +x_0=251727.9155424 +y_0=334519.953768 +a=6378306.3696 +b=6356571.996 +towgs84=51,391,-36,0,0,0,0 +units=link +no_defs +type=crs");