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Index DuPage County Survey, Photographed by Chicago Aerial Industries, Inc. April 1956 (36056)
Aerial survey index map in booklet format, covering DuPage County.
1956

Index map of 1949 Chicago Plan Commission aerial survey of Cook County (49100), copy 1
Aerial survey index map in booklet format, covering Cook County. Maps sections are created from aerial photo images. Copy 1 and copy 2 have different handwritten notations.
1949




City map survey, key to old oblique coverage, copy 1
Aerial survey index map in booklet format, covering Cook County, with handwritten notation indicating locations of oblique aerial photographs.
1938

Township maps of Cook County including City of Chicago, aerial survey index maps for 1939, 1940 and 1958.
Aerial survey index map in spiral booklet format, used to convey the scope of surveys in 1939, 1940 and 1958.
1939








Index map of 1955 Cook County Aerial Survey (35060)
Aerial survey index map in booklet format, covering Cook County.
1955


Film key, Chicago Aerial Photographic Service, 1921-1961
Handwritten chart indicating what kinds of photographic equipment were used for aerial surveys conducted by the Chicago Photographic Service for surveys between 1921 and 1961.
1961



Index map of 1949 Chicago Plan Commission aerial survey of Cook County (49100), copy 2
Aerial survey index map in booklet format, covering Cook County. Maps sections are created from aerial photo images. Copy 1 and copy 2 have different handwritten notations.
1949


Aerial view of the Century of Progress fairgrounds
The Streets of Paris, one of the most popular exhibits at the Fair, is in the foreground to the right.
1933