Gannett, Henry, 1846-1914Harrison, D. C.Renshawe, John H.Contour interval 10 feet.;"Surveyed in 1890.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500JPEG2000https://digital.library.illinois.edu/items/a8644420-994e-0134-2096-0050569601ca-aengGeological Survey (U.S.)PublicIllinois, Morris sheetMapsIllinois1892University of Illinois Urbana-Champaign