proj4.defs("EPSG:23315","+proj=lcc +lat_1=40.75 +lat_0=40.75 +lon_0=-87.95 +k_0=1.000024 +x_0=1749860.2997206 +y_0=530048.26009652 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");