1. The Delevan Lobe of the Lake Michigan Glacier of the Wisconsin Stage of Glaciation and Associated Phenomena;Alden,1904
2. Geology of Grundy, Will, Kankakee, Iroquois, Vermilion, Edgar, Ford, and Champaign counties;Bradley,1870
3. The stages of Lake Chicago – their causes and correlations;Bretz;Am. J. Sci.,1951
4. Glacial Geology of the South Bend Area, Indiana, Indiana Geological Survey Open-file Study 03-15, 1:80,000–scale Map and 7 Page Booklet;Brown,2003
5. New Regional Correlation of Glacial Events and Processes in the Interlobate Area of Southern Michigan and Northern Indiana After the Last Glacial Maximum (LGM);Brown,2006