2019-12-162019-12-16http://hdl.handle.net/1885/1955237 MB1 map170 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographicVietnam -- MapsVietnam, Luc Nam, Series: L7014, Sheet 6251 I, 1965, 1:50 00019652019-12-16