tag:digital.library.illinois.edu,2005:/items/aa8304f0-3f61-0137-6c3c-02d0d7bfd6e4-fSangamon County, Illinois : [aerial photographs]2024-03-26T15:04:22Ztag:digital.library.illinois.edu,2005:Item/2600982019-04-12T18:19:56Z2024-03-26T15:04:22ZSangamon County, Illinois : [aerial photographs]USDA 1241-50. Item 4.University of Illinois at Urbana-Champaign Library