Map shows military and coast guard headquarters. Some streets and buildings are named. "Copied from I.S.I.S. report 1:5,000, San Sebastian, CB 1811 no. 4, 1942." "Army Map Service, U. S. Army, Washington, D. C. 104394. 1943. 3-43." Military grid. AMS 1. Alternate title; San Sebastian city plan. Copied fom I.S.I.S. report, 1:5,000, San Sebastian, CB 1811 no. 4, 1942. Projection approximate. Relief shown by 10 meter contour intervals and rock drawings.