United States, Office of Strategic Services., Geography Division. drawn in Geography Division, O.S.S. "Map no. 1102 October 30, 1942.". OSS.
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United States, Office of Strategic Services., Geography Division. compiled and drawn in the Geography Division, O.S.S. Relief shown by hachures; depth shown by soundings. "August 28, 1942." "Map no. 954.". OSS.
United States, Office of Strategic Services., Geography Division. drawn in Geography Division, O.S.S. "Jan. 11, 1943." "Map no. 712.". O.S.S.