tag:digital.library.illinois.edu,2005:/items/bf07c7d0-c451-0133-1d17-0050569601ca-2Blue Mound, Macon Co., Illinois, July 19052023-12-12T22:42:30Ztag:digital.library.illinois.edu,2005:Item/299972016-08-03T21:14:41Z2023-12-12T22:42:30ZBlue Mound, Macon Co., Illinois, July 1905Symbol key on sheet 1.University of Illinois at Urbana-Champaign Library