tag:digital.library.illinois.edu,2005:/items/c282e1f0-c451-0133-1d17-0050569601ca-6Spring Valley, Bureau Co., Ill., July 19062023-12-12T22:44:59Ztag:digital.library.illinois.edu,2005:Item/311062016-08-03T21:14:46Z2023-12-12T22:44:59ZSpring Valley, Bureau Co., Ill., July 1906Also shows factories, commercial occupancy of buildings, property boundaries and house and block numbers.University of Illinois at Urbana-Champaign Library