1931. Geological Survey (U.S.). Surveyed in 1927.;Relief shown by contours and spot heights.;Road classification, 1930.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1924. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1921-1922.";Relief shown by contours and spot heights.;1 map, colored;45 x 36 cm.;1:62,500. Bureau of Geology and Mines (Rolla, Mo.) and Geological Survey (U.S.).
1941. Geological Survey (U.S.). Contour interval 5 feet.;"Topography by Corps of Engineers...1930-39. Revised...1932, 1935 and 1939.";Relief shown by contours and spot heights.;1 ... U.S. Army, War College.
1915. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911 and 1913.";"Surveyed in cooperation with the States of Missouri and Illinois.";Relief shown by contours... Bureau of Geology and Mines (Rolla, Mo.), Geological Survey (U.S.), and Geological Survey Division (Urbana, Ill.).
1932. 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 1921 and 1928... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill).
1916. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1910 and 1914.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours and spot heig... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1912. Cooke, Chas. E., Geological Survey (U.S.), Hawkins, Geo. T., Tufts, Wm. O., U.S. Coast and Geodetic Survey, Wilson, Herbert M. (Herbert Michael), 1860-1920, and Young, Gilbert. (W 90⁰30ʹ--W 90⁰00ʹ/N 38⁰45ʹ--N 38⁰30ʹ). Relief shown by contours and spot heights. Contour interval 20 feet. Datum is mean sea level. "Surve... The Survey (Washington, D.C).
1904. Cooke, Chas. E., Geological Survey (U.S.), Hawkins, Geo. T., Tufts, Wm. O., U.S. Coast and Geodetic Survey, Wilson, Herbert M. (Herbert Michael), 1860-1920, and Young, Gilbert. (W 90⁰25ʹ--W 90⁰05ʹ/N 38⁰44ʹ--N 38⁰31ʹ). Relief shwon by contours and spot heights. Text and ill. on verso. 39 x 47 centimeters Scale 1:62,500 ... The Survey (Washington, D.C).
1904. Geological Survey (U.S.). Blueline photocopy, date unknown.; Relief shwon by contours and spot heights.; Text and ill. on verso. 39 x 47 centimeters City Maps. The Survey (Washington, D.C).
1904. Geological Survey (U.S.). Relief shwon by contours and spot heights.; Text and ill. on verso. 39 x 47 centimeters Scale 1:62,500 City Maps. The Survey (Washington, D.C).