+proj=tmerc +lat_0=42.2166666666667 +lon_0=-87.8944444444444 +k=1.0000260649 +x_0=185928.372771145 +y_0=0.000914401828803657 +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