| GMD | Nautical Chart |
| Language | English |
| Classification | HO_4320_1949 |
| Publisher | Washington D.C., The U.S. Navy Hydrographic Office, 1949 |
| Edition | New ed.(1946) |
| Subject | Nautical Chart--Europe and Africa(Portsmouth to Canary Islands) |
| Series | H.O. Chart4320 |
| Description | Chart; 97 x 66 cm. British Admiralty Chart No.1. U.S. Hydrographic Office Publications. Miscellaneous data. |