1967
Polish Army Topography Service
1737
d'Anville, Jean Baptiste Bourguignon
1917
Chen, Haoji
1737
d'Anville, Jean Baptiste Bourguignon
1958
Bartholomew, John
1:5m
1745
Academy of Sciences, St. Petersburg
1:3m
1921
War Office
1:4m
1958
Bartholomew, John
1:5m
1931
War Office
1:4m
1833
Mahlmann, H.
1:6m