proj4.defs("EPSG:2172","+proj=sterea +lat_0=53.0019444444444 +lon_0=21.5027777777778 +k=0.9998 +x_0=4603000 +y_0=5806000 +ellps=krass +towgs84=68.1564,32.7756,80.2249,2.20333014,2.19256447,-2.54166911,-0.14155333 +units=m +no_defs +type=crs");