tag:digital.library.illinois.edu,2005:/items/d1598ba0-c451-0133-1d17-0050569601ca-1Crystal Lake & Nunda, McHenry County, Illinois, February 19052023-12-12T22:43:40Ztag:digital.library.illinois.edu,2005:Item/386422016-08-03T21:15:30Z2023-12-12T22:43:40ZCrystal Lake & Nunda, McHenry County, Illinois, February 1905Sheet 1 includes symbol key, index, and index map.University of Illinois at Urbana-Champaign Library