tag:digital.library.illinois.edu,2005:/items/3e713b70-c452-0133-1d17-0050569601ca-51917_Title_Vol12023-12-12T22:59:55Ztag:digital.library.illinois.edu,2005:Item/224042016-08-03T21:14:05Z2023-12-12T22:59:55Z1917_Title_Vol1Volume 2 includes map sheets 151-223, title page, index sheet, and index map sheet with symbol key.University of Illinois at Urbana-Champaign Library