proj4.defs("EPSG:29903","+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=1.000035 +x_0=200000 +y_0=250000 +a=6377340.189 +rf=299.3249646 +towgs84=506,-122,611,0,0,0,0 +units=m +no_defs +type=crs");