Great Britain. War Office. Intelligence Division. I.D.W.O. no. 1522. Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 1522. Relief shown by form lines and spot heights. Some sheets from this set were revised and issued by War Office. Geographical Section. General Staff, published as G.S.G.S. no. 1522, 1522a. Series covers Mesopotamia and eastern Anatolian parts of Ottoman Empire. "Compiled at the Intelligence Division, War Office by Major F.R. Maunsell, R.A. from Turko-Persion Frontier Map 1853-54, Lieut. F.R. Maunsell Reconnaissances 1888, Col M.S. Bell Reconnaissances 1886-87, Capts. Burton and Vaughan 1897, De Morgan 'Mission Scientifique in Perse' 1895, Turko-Persian Boundary Commission Survey 1913-14. Corrected to Jan. 1918." With glossary. Set complete, see index.
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