United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Branch. R & A, OSS. Shows extent of coverage of 1:20,000, 1:25,000, 1:50,000, and 1:100,000 sets. Includes regional map. "No. 6469.". Reproduction Branch, OSS.
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United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Branch. R & A, OSS. Shows areas covered by topo, recon, and exploratory surveys; also shows trangulation network. Includes regional map and "Reliability of... Reproduction Branch, OSS.