tag:digital.library.illinois.edu,2005:/itemsItems2023-12-12T22:27:46Ztag:digital.library.illinois.edu,2005:Item/357752016-08-03T21:15:13Z2023-12-12T22:27:46ZMason City, Ill., May 1887Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers.University of Illinois at Urbana-Champaign Library