1921. Modern area represented: Dubrowna, Vitebsk oblast, Belarus; Scale =1:50,000; Секретно. Военно-топографическое управление.
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1921. Modern area represented: Rossasna, Vitebsk oblast, Belarus; Scale =1:50,000; Секретно. Военно-топографическое управление.
1921. Jones, Grove B., 1877- cartographer. Shows soil types classification by colors and symbols.; Relief shown by contours and hachures.; Soils surveyed by Grove B. Jones, Mark Baldwin, S.C... The Bureau.
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