Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 1522. Great Britain. War Office. Intelligence Division. I.D.W.O. 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 for the Intelligence Division, War Office, by Lieut. Col. F.R. Maunsell, C.M.G. from Turko-Persian Boundary Commission Survey 1913-14, Sir W. Willcocks surveys in Lower Mesopotamia 1909-11, Lieut. F.R. Maunsell 1888, Surveys' & Reconnaissances by the British Army. Corrected Jan. 1918." With Glossary. Set complete, see index.
