tag:digital.library.illinois.edu,2005:/items/b7880d20-c451-0133-1d17-0050569601ca-2Coal City, Grundy Co., Ill., Sep'r 18922023-12-12T22:30:07Ztag:digital.library.illinois.edu,2005:Item/277602016-08-03T21:14:31Z2023-12-12T22:30:07ZCoal City, Grundy Co., Ill., Sep'r 1892Sheet 1 includes symbol key, index, and map index.University of Illinois at Urbana-Champaign Library