proj4.defs("EPSG:8189","+proj=tmerc +lat_0=41.4722222222222 +lon_0=-88.775 +k=1.0000346418 +x_0=263347.726390653 +y_0=0.00762001524003048 +ellps=GRS80 +towgs84=-0.9738,1.9453,0.5486,-1.3357e-07,-4.872e-08,-5.507e-08,0 +units=us-ft +no_defs +type=crs");