The Balkans 1:250,000. Nis, sheet Y-39. A.M.S. M506 (G.S.G.S. 4413)
Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. 4413. Alternate title: Nis. Lambert conical orthomorphic projection. Danube zone and Mediterranean zone grids. Gradient tints and isogonic data deleted by AMS, 1949. Relief shown by 50 and 100 meter contour intervals and spot elevations. With Serb and Croat and Bulgarian glossaries Intelligence reports up to Feb. 1943. Compiled and drawn by War Office, 1943. See index Library holdings for this set are incomplete. Geographic designation is given as Yugoslavia it is Serbia and Montenegro.
Washington, D.C. : Army Map Service, U.S. Army, 1949.