AMS 2. Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. 4412. Alternate title: Ahtopol, Bulgaria. Transverse Mercator projection. Universal transverse Mercator and Mediterranean zone grids. UTM grid added, gradient tints and isogonic data deleted by AMS, 1948. Relief shown by 50 and 100 meter contour intervals and spot elevations. With a Bulgarian glossary. Intelligence information up to December 1943. See index. Library holdings for this set are incomplete.