proj4.defs("EPSG:3388","+proj=merc +lat_ts=42 +lon_0=51 +x_0=0 +y_0=0 +ellps=krass +towgs84=686.1,-123.5,-574.4,8.045,-23.366,10.791,-2.926 +units=m +no_defs +type=crs");