proj4.defs("EPSG:2535","+proj=tmerc +lat_0=0 +lon_0=57 +k=1 +x_0=19500000 +y_0=0 +ellps=krass +towgs84=21.58719,-97.54127,-60.92546,-1.01378,-0.58117,-0.2348,-4.6121 +units=m +no_defs +type=crs");