2019-12-162019-12-16http://hdl.handle.net/1885/1955125 MB1 map178 MB1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographicVietnam -- MapsVietnam, Long Phu, Series: L7014, Sheet 6228 III, 1966, 1:50 00019662019-12-16