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You searched for: Provider University of Illinois Urbana-Champaign Remove constraint Provider: University of Illinois Urbana-Champaign Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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21.

Illinois, St. Elmo quadrangle : 15-minute series Maps maps university-of-illinois-urbana-champaign

1958. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1939-1941";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

22.

Illinois-Indiana, Marshall quadrangle. Maps maps university-of-illinois-urbana-champaign

1957. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1931-1932";Rel... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

23.

Kenney quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1958. Geological Survey (U.S.). Contour interval 10 feet.;"Topography from aerial photographs by Kelsh plotter and by planetable surveys 1957. Aerial photographs taken 1956.";Reli... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

24.

Landforms of Illinois ; by James A Bier. Maps maps university-of-illinois-urbana-champaign

1956. Bier, James Allen. Based primarily on U.S.G.S. topographic quadrangles.;Black line drawn map of Illinois;Includes "limit of glaciation" line; Physiographic divisions ...

25.

Le Roy quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table surveys 1930 and 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

26.

Maroa quadrangle, Illinois : 15 minute series (topographic). Maps maps university-of-illinois-urbana-champaign

1958. Geological Survey (U.S.). Contour interval 10 feet.;"Topography from aerial photographs by Kelsh plotter and by planetable surveys 1956-1957. Aerial photographs taken 1956."... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

27.

Mason City quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1963. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939-1940. Topography by plane-table methods 1947-19... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

28.

McLean quadrangle, Illinois : 15 minute series (topographic) Maps maps university-of-illinois-urbana-champaign

1951. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1940-1941. Topography by plane-table methods, 1926, ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

29.

Mechanicsburg quadrangle, Illinois : 15 minute series (topographic). Maps maps university-of-illinois-urbana-champaign

1955. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1950-1951. Topography by plane-table surveys 1954";R... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

30.

Mendon quadrangle, Illinois-Missouri : 15 minute series (topographic). Maps maps university-of-illinois-urbana-champaign

1956. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods, 1946.";Reli... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Geological Survey and Water Resources (Rolla, Mo.).