proj4.defs("EPSG:23303","+proj=tmerc +lat_0=41.25 +lon_0=-88.5 +k=1.00003 +x_0=1150012.7000254 +y_0=149961.8999238 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");