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=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");