tag:digital.library.illinois.edu,2005:/items/b47be830-c451-0133-1d17-0050569601ca-eMason City, Mason Co., Ill., March 18992023-12-12T22:38:37Ztag:digital.library.illinois.edu,2005:Item/254942016-08-03T21:14:19Z2023-12-12T22:38:37ZMason City, Mason Co., Ill., March 1899Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers.University of Illinois at Urbana-Champaign Library