tag:digital.library.illinois.edu,2005:/items/900171b0-82d4-0134-1f08-0050569601ca-4Illinois, Toledo quadrangle2022-09-15T18:31:00Ztag:digital.library.illinois.edu,2005:Item/664692016-11-15T17:22:10Z2022-09-15T18:31:00ZIllinois, Toledo quadrangleContour interval 10 feet. Text and ill. on verso.University of Illinois at Urbana-Champaign Library