tag:digital.library.illinois.edu,2005:/items/7fc7c520-1147-0137-53b9-0050569601ca-9Champaign County, Illinois : [aerial photographs]2024-03-26T15:03:23Ztag:digital.library.illinois.edu,2005:Item/2549302019-02-20T20:01:05Z2024-03-26T15:03:23ZChampaign County, Illinois : [aerial photographs]”Invitation no. ASCS-5-66DC. Item 2.”University of Illinois at Urbana-Champaign Library