1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1937, 1939 and 1941. Topography by plane-table metho... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods, 1946.";Reli... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1922. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1919-1920.";"Surveyed in cooperation with the States of Wisconsin and Illinois.";Relief shown by contours an... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Geological and Natural History Survey (Madison, Wis.).
1950. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1921.";Relief shown in contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Geological and Natural History Survey (Madison, Wis.).
1920. University of Chicago. Department of Sociology. Blue line print. Shows residential area, vacant area, commercial frontage, railroad property, and transit lines.; Scale [ca. 1:8,000]; photocopy; M...
1893. World's Columbian Exposition (1893 : Chicago, Ill.)--Maps.
1954. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938 and 1949. Topography by plane-table surveys 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).