United States, Office of Strategic Services., Research and Analysis Branch. compiled and drawn in the Branch of Research and Analysis. "Reliability code: 2B-2B-1." Shows railroads, canals and 4 classes of ports and harbors ... The Branch.
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United States, Office of Strategic Services., Research and Analysis Branch. compiled and drawn in the Branch of Research and Analysis, OSS. Shows minerals, metals and machines, chemicals, building materials, textiles, leaat... The Branch.