2020-10-202020-10-20http://hdl.handle.net/1885/2126779 MB|1 map231 MB|1 map300 dpiimage/jpgimage/tiffenCopyright ExpiredTopographyWorld--MapsWorld, Manchuria, Series: GSGS 2957, Sheet 23, 1921, 1:4 000 00019212020-10-20