proj4.defs("EPSG:3143","+proj=tmerc +lat_0=-17 +lon_0=178.75 +k=0.99985 +x_0=2000000 +y_0=4000000 +ellps=WGS72 +towgs84=-35.173,136.571,-36.964,1.37,-0.842,-4.718,-1.537 +units=m +no_defs +type=crs");