proj4.defs("EPSG:2131","+proj=tmerc +lat_0=-45.8613888888889 +lon_0=170.2825 +k=0.99996 +x_0=400000 +y_0=800000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");