1876. United States. Army. Office of the Chief of Engineers. Ausg. 1876.; Relief shown by hachures and spot heights.; Shows Ottoman Empire in Europe, area west of Black Sea, present Romania and Bulgania.; She... Office of the Chief of Engineers (Washington, D.C).
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1918. Relief shown by contours, shading, and spot heights. 94 x 72 centimeters Scale approximately 1:545,000 General Map Collection. Geographia Ltd (London).
1916. Relief shown by contours.; Includes 3 inset maps.; "Reproduced from official map by Geographia." 94 x 64 centimeters Scale approximately 1:576,000 ... Geographia (London).