proj4.defs("EPSG:8161","+proj=tmerc +lat_0=44.2533351277778 +lon_0=-90.8442965194444 +k=1.0000353 +x_0=27000 +y_0=25000 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs");