proj4.defs("EPSG:8218","+proj=tmerc +lat_0=45.1333333333333 +lon_0=-91.85 +k=1.0000486665 +x_0=93150 +y_0=0.0029 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs");