1933. Geological Survey (U.S.). Contour interval 5 and 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Missouri part surve... Bureau of Mineral and Topographic Survey (Lexington, Ky.), Geological Survey (U.S.), and Geological Survey Division (Urbana, Ill.).
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1924. Geological Survey (U.S.). Surveyed in 1921 and 1922.;Relief shown by contours and spot heights.;1 map, colored;45 x 36 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1934. Geological Survey (U.S.). Surveyed in 1922, 1924, 1925 and 1927.;Relief shown by contours and spot heights.;Road classification, 1932.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1931. Geological Survey (U.S.). Surveyed in 1921-1922 and 1928.;Relief shown by contours and spot heights.;Road classification, 1931.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1918. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1915-1916.";"Surveyed in cooperation with the States of Illinois and Missouri."; (W 89⁰45ʹ00ʺ--W 89⁰30ʹ00ʺ/N... Geological Survey Division (Urbana, Ill.), State of Missouri Bureau of Geology and Mines (Rolla, Mo.), and Geological Survey (U.S.).
1915. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1912-1913.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours.;1 map, colored;4... Geological Survey (U.S.) and State Geological Survey (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 1927.";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1923. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1918 and 1921";Relief shown by contours and spot heights.;1 map, colored;45 x 36 cm.;1:62,500. Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and State of Missouri Bureau of Geology and Mines (Rolla, Mo.).
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.).