| GMD | Nautical Chart |
| Language | English |
| Classification | BA_2180 1956 |
| Publisher | London, Admiralty, 1956 |
| Edition | New ed. (1946) |
| Subject | Orkney Islands -- Maps and charts |
| Topic | Nautical Charts (1930-60) |
| Series | Admiralty Charts2180 |
| Description | Chart; 117 x 92 cm |
| ISBN | isbn46 |