proj4.defs("EPSG:7530","+proj=tmerc +lat_0=45.1333333333333 +lon_0=-91.85 +k=1.0000486665 +x_0=93150 +y_0=0.0029 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");