proj4.defs("EPSG:3066","+proj=tmerc +lat_0=0 +lon_0=37 +k=0.9998 +x_0=500000 +y_0=-3000000 +ellps=intl +towgs84=-82.981,-99.719,-110.709,-0.104700015651026,0.0310016003789386,0.0804020214751182,-0.3143 +units=m +no_defs +type=crs");