proj4.defs("EPSG:3770","+proj=tmerc +lat_0=32 +lon_0=-64.75 +k=1 +x_0=550000 +y_0=100000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");