tag:digital.library.illinois.edu,2005:/items/5d4a08d0-d552-0136-5326-0050569601ca-1Portion of Cook County, Illinois : [aerial photographs]2024-03-26T15:03:28Ztag:digital.library.illinois.edu,2005:Item/2307852018-12-05T21:44:23Z2024-03-26T15:03:28ZPortion of Cook County, Illinois : [aerial photographs]"Invitation no. CSS-1-60 DC. Item no. 2."University of Illinois at Urbana-Champaign Library