| GMD | Nautical Chart |
| Language | English |
| Classification | BA_2314 1958 |
| Publisher | Admiralty, London, 1958 |
| Edition | 1957 |
| Subject | Norway. Sheet XII. Helgoy to Soroy. [Natural scale 1: 211,070. |
| Series | Admiralty Charts2314 |
| Description | Chart; 102 x 70 cm |
| ISBN | isbn1740 |