proj4.defs("EPSG:26391","+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-111.92,-87.85,114.5,1.875,0.202,0.219,0.032 +units=m +no_defs +type=crs");