United States. Army Map Service. Great Britain. War Office. General Staff. Geographical Section. G.S.G.S. no. 4241. Alternate title: Port Lyautey. Two maps on one sheet. In upper left margin: Morocco 1:10,000. Relief shown by 2.5 meter contour intervals and spot elevations. Lambert conical orthomorphic projection. N.W.Africa zone grid. Inset: Port-Lyatney (1:50,000) taken from 1:50,00 sheet of Port-Lyautey (Kenitra). Copied from a french map dated 1935.