| GMD | Nautical Chart |
| Language | English |
| Classification | BA_2401 1951 |
| Publisher | London, Admiralty, 1951 |
| Edition | 1927 |
| Subject | Eosporus. Beikos. Umur and Buyukdere Bays. [Natural scale 1: 20,370. |
| Series | Admiralty Charts2401 |
| Description | Chart; 86 x 56 cm |
| ISBN | isbn1730 |