1929. Geological Survey (U.S.). Relief shown by contours and spot heights.;"Surveyed in 1925-1926.";Contour interval 20 feet;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).
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1929. 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";Relief s... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
1929. Geological Survey (U.S.). Contour interval 20 feet.;"Illinos culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1926";... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
1929. Geological Survey (U.S.). Edition of 1921, reprinted 1929."; "National Forest names and boundaries not corrected to date."; "Compiled in 1920 and 1921. 81 x 127 centimeters ... Geological Survey (Washington, D.C).
1929. Geological Survey (U.S.). Shows county outlines, cities and villages, railroads, and rivers.; "Compiled in 1911-1914."; Includes diagram showing "relation of the states of N... The Survey (Washington, D.C).
1929. Geological Survey (U.S.). Includes distance table.; Text on verso. 79 x 49 Centimeters Scale approximately 1:253,440 General Map Collection. The Service (Washington, D.C).
1929. Geological Survey (U.S.). Relief shown by contours and spot heights.; Shows status of roads.; On verso: "The topographic maps of the United States" (text and ill.). 53 x 60 ... The Survey (Washington).
1929. Geological Survey (U.S.). Surveyed between 1893 and 1909, roads and trails added 1928 by National Park Service.; Relief shown by contour lines and spot heights.; Contour int... U.S. Geological Survey (Washington, D.C).
1929. Geological Survey (U.S.). Relief shown by contours and spot heights.; Road overprint dated "Jan. 1929" printed in red.; "Culture revised in 1927 ..."; Includes notes. 117 x ... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).