proj4.defs("EPSG:7642","+proj=tmerc +lat_0=42.5694444444444 +lon_0=-88.225 +k=1.0000346179 +x_0=208788.417881636 +y_0=0.00335280670561341 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");