| GMD | Nautical Chart |
| Language | English and Japanese |
| Classification | HO_6240_1949 |
| Publisher | Washington, D. C., The U.S. Navy Hydrographic Office, 1949 |
| Edition | New ed. (1945) |
| Subject | Nautical Chart - Asia (Sakhalin island) |
| Series | HO Chart6240 |
| Description | Chart; 67x95 cm |