Smithsonian Report, 1901. — Hobbs 



Plate I. 



GLACIAL MAP OF THE GREAT LAKES REGION. 



XiViLtUsa A-r* 



OLdei- Tlvv I L . 

 Glaov^l Stria 



Ivt o V a Lrva • Giac-ial Stria.*. Tvac"K. o E X>i.ai-woj-vdb 



Dlap-voj-id Localities ° '?" t, Eagle O.Ovecjoii 



K^Kol-vlsvilU O.Dov^aguc M. Milford. P,Tiv.i.« Cvl\. B £,i* i-Un^t on. 



We are indebted to the University of Chicago Press for the above illustration. 

 Reprinted by permission of D. Appleton & Co. 



