THE GEOLOGICAL AND NATURAL HISTORY SURVEY OP MINNESOTA. 



1900-1901. 



THE 



GEOLOGY OF MINNESOTA. 



VOL. VI OK THE FINAL REPORT. 



GEOLOGICAL ATLAS 



WITH 



SYNOPTICAL DESCRIPTIONS. 



BY N. H. WINCH ELL. 



SUBMITTED OCTOBER 1, 1900, AND PUBLISHED UNDER THE DIRECTION OF THE 

 BOARD OF REGENTS OF THE UNIVERSITY. 



COMPRISING EIGHTY-EIGHT GEOGRAPHICAL AND GEOLOGICAL PLATES. 



ST. PAUL, MINN. 



THE PIONEER PRESS CO., PRINTERS. 

 1901. 



