1930. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1925-1926.";Relief shown by contours and spot heights.;Shows roadway classification as of 1929.;1 map, color... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1930. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1927.";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1930. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1926-1927.";R... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1930. Geological Survey (U.S.). Contour interval 20 feet;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1926-1927";Reli... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1930. Modern area represented: Troitskoye, Odessa oblast, Ukraine; Scale =1:100,000; Не подлежит оглашению. Генеральный штаб Красной Армии.
1930. Modern area represented: Domanivka, Mykolaiv oblast, Ukraine; Scale =1:100,000; Не подлежит оглашению. Генеральный штаб РККА.
1930. Modern area represented: Shesternya, Kherson oblast, Ukraine; Scale =1:100,000; Для служебного пользования. Генеральный штаб Красной Армии.
1930. Modern area represented: Malyye Girly, Kherson oblast, Ukraine; Scale =1:50,000; Не подлежит оглашению. Управление военных топографов.
1930. Modern area represented: Apostolove, Dnipropetrovsk oblast, Ukraine; Scale =1:50,000; Не подлежит оглашению. Управление военных топографов.
1930. Modern area represented: Velyka Lepetykha, Kherson oblast, Ukraine; Scale =1:100,000; Для служебного пользования. Генеральный штаб Красной Армии.