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You searched for: Creator Geological Survey (U.S.) Remove constraint Creator: Geological Survey (U.S.) 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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1.

Amboy 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 1939 and 1941. Topography by plane-table surveys 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

2.

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

1957. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys, 1956.;Includes quadrangle location map.... Geological Survey (U.S.) and Geological Survey Division(Urbana, Ill.).

3.

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

1953. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table surveys, 1930 and 1951-1952. Includes quadrangl... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

4.

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

1953. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1950. Topography by plane-table surveys 1945 and 1951-1952.;Includes quadrangle... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

5.

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

1956. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1946 and 1953. Topography by plane-table surveys 1954-1955.;Relief shown by con... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

7.

Colfax quadrangle, Illinois : 15 minute series Maps maps university-of-illinois-urbana-champaign

1958. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1956. Topography by planetable surveys 1957.";Relief ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

8.

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

1950. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table methods 1948.";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

9.

Earlville 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 1939. Topography by plane-table surveys 1951."; (W 8... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

10.

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

1957. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys 1955-1956.;Contour interval 20 feet.;Rel... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).