tag:digital.library.illinois.edu,2005:/items/7f1f7350-1147-0137-53b9-0050569601ca-9Douglas County, Illinois : [aerial photographs]2024-03-26T15:03:32Ztag:digital.library.illinois.edu,2005:Item/2548652019-02-20T20:00:45Z2024-03-26T15:03:32ZDouglas County, Illinois : [aerial photographs]USDA 8171. Ais-21427. Item 4.University of Illinois at Urbana-Champaign Library