Seat of war in the east, map of Turkey and parts adjacent / compiled and published by authority of the Hon. the Sec. of War in the Office of the Chief of Engineers under the direction of A.A. Humphreys ; compiled and drawn by Denis Callahan.United States. Army. Office of the Chief of Engineers1877"June 1877."Includes location map and glossary.Inset map covering southern Europe and northern Africa.Relief shown by hachures.cartographic