Smithsonian Report, 1901. — Hobbs 



Plate I. 



GLACIAL MAP OF THE GREAT LAKES REGION. 



33vi.ltWss Ar> 



£, Eagle. O.Oregoi 



Movama. 

 Diamond Localities 

 K.KoVilsvill. CDowagnC M.Milford. P.Tiv.m C-rX. BBuvlmJton. 



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

 Reprinted by permission of D. Appleton & Co. 



