tag:digital.library.illinois.edu,2005:/itemsItems2024-03-26T15:04:21Ztag:digital.library.illinois.edu,2005:Item/2600642019-04-12T18:19:47Z2024-03-26T15:04:21Z[Index to] St. Clair County, Illinois : [aerial photograph index]"Invitation no. CSS-5-55-DC. Item no. 2."University of Illinois at Urbana-Champaign Library