Illinois (Cook County), Evanston quadrangle : topographic sheet
Geological Survey (U.S.)View Full Item in University of Illinois at Urbana-Champaign LibraryContour interval 10 feet. "Surveyed in 1897." Relief indicated by contours. 1 map, colored
Contour interval 10 feet. "Surveyed in 1897." Relief indicated by contours. 1 map, colored