2019-12-162019-12-16http://hdl.handle.net/1885/1955436 MB1 map176 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographicVietnam -- MapsVietnam, Thanh Am, Series: L7014, Sheet 6351 I, 1965, 1:50 00019652019-12-16