| GMD | Nautical Chart |
| Language | English |
| Classification | BA_2331 1958 |
| Publisher | Admiralty, London, 1958 |
| Edition | New ed. (1957) |
| Subject | Baltic Sea. Finland. Hankoniemi to Porkkalanselka. [Natural scale 1: 75,000. |
| Series | Admiralty Charts2331 |
| Description | Chart; 129 x 71 cm |
| ISBN | isbn1762 |