G.S.G.S.; AMS 1 Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 4381 United States. Army Map Service Great Britain. Inter-Service Topographical In upper right margin: c.1: Corsica, c.2 (reprinted by AMS) Corsica 1:5,000. Relief shown by form lines and rock drawings. Sources: Port of Bonifacio 1:5,000. Service Hydrographique 1923; Guide Blue; Michelin Guide. Air photographs have been used in the production of this plan.
