U.S. GEOLOGICAL SURVEY 



MONOGRAPH XXV PL XXXVII 



MAP ()!■• TllK SOI'TlllvKX I'Oin'IOX OK LAKP: AGASS1Z,SI[0A\1\GARE.\S OK hX)REST ANO PRAIRIR. 



Scale, about 42 niiles to ajiiiidi- 

 Koivsl An';i,aii(l bells and p;Uches ol'Tiiiilieron slre«msand lakes 1 1 I'rau-iel I 



