2019-12-162019-12-16http://hdl.handle.net/1885/1954687 MB1 map169 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographicVietnam -- MapsVietnam-Laos, Ban Ka Long, Series: L7014, Sheet 6046 III, 1965, 1:50 00019652019-12-16