Map shows military and coast guard headquarters. Some streets and buildings are named. "Copied from I.S.I.S. Report 1:10,000, Santander, CB 1811 no. 7, 1942." "Army Map Service, U. S. Army, Washington, D. C. 104395. 1943. 3-43." Military grid. AMS 1. Alternate title; Santander city plan. Copied from I.S.I.S.. report, 1:10,000, Port Santander, CB 1811 no. 7, 1942. Relief shown by hachures. Projection approximate,.