Description of the Collection Aerial photographs of IIT's main campus on South State Street and surrounding neighborhoods. Some photos include the Chicago Loop skyline or Lake Michigan horizon. Photos are in print (generally 8" x 10") format for earlier years and 35mm contact sheets (ca. 24 to 36 images per 8" x 10" sheet), slides, and some photocopies for later years. With few exceptions, these aerial survey photos were taken annually from 1940 until ca. 1968 (which represents the final build-out of the IIT campus) by...