Notes: | "Compiled in 1950 from Manchuria, 1:250,000, AMS, 1950; Eastern Siberia, 1:250,000, AMS, 1950; Korea, 1:250,000, AMS, 1950. Manchuria and Siberia, 1:500,000, Japanese Imperial Land Survey, 1942-43; China and Manchuria, 1:500,000, U.S.A.F. Pilotage charts, Aeronautical Chart Service, 1945-1949; World Aeronautical Charts, 1:1,000,000, Aeronautical Chart Service, 197, 381, 1947." "Road classification should be referred to with caution. Gauge and existence of some railroads is doubtful." Relief shown by shading and spot heights. Shows roads and railways. Includes glossary and "Index to boundaries."
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