proj4.defs("EPSG:6541","+proj=tmerc +lat_0=40 +lon_0=-78.5833333333333 +k=0.9999375 +x_0=350000.0001016 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");