proj4.defs("EPSG:8141","+proj=tmerc +lat_0=44.3972222222222 +lon_0=-87.9083333333333 +k=1.0000236869 +x_0=182880.3676 +y_0=0.0033 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");