2019-12-162019-12-16http://hdl.handle.net/1885/1954707 MB1 map174 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographicVietnam -- MapsVietnam, Ban Dan, Series: L7014, Sheet 6047 IV , 1965, 1:50 00019652019-12-16