. . . . "91732.608" . "387851.904" . . . . . . . . . . "The Pleistocene of Indiana and Michigan and the History of the Great Lakes; Frank Leverett and Frank B. Taylor; Monographs of the United States Geological Survey; Volume LIII; Washington; 1915" . . . . . . "Chicago Lake" . . . . "48.768" . "Lake Chicago" . . "Lake Chicago" . "48.768" . "Glacial Lake Chicago" .