| Collection: | The National Geographic Society publications |
| Date: | 1957 |
| Publisher: | National Geographic Society for the National Geographic Magazine, Washington DC |
| Scale: | 1:7000000 |
| Author/Editor/Maker: | Melville Bell Grosvenor |
| Height: | 69 cm |
| Width: | 86 cm |
| Parsons Code: | N1 |
| Notes: | September 1957, The National Geographic Magazine, Vol CXII, no 3. |
| Description: | Map / Chart / Plan |
