PLATK 33. 



Kxplariauon . 

 Cr-ftaceous H 



Lower Silurian gjjgj Trenton Lunes tone 

 ySK Stutter Sandstone, 



\ Skakoptc Limestone 

 Cumbrian - } gff Richmond Sandstone 

 ' Low Mag. Limestone 

 St. 



GEOLOGICAL AND NATl'UAl. H1STOKY 

 SURVEY OK M1NNKSOTA 



GOOD II UK COUNTY. 



BY N. H. WINCHELL 



t'ontour Lines are drawn afiproi-imatelv tor each SO feet above tht sen 



' ': ;f 

 sir *' N 'f 6 w 





i !*. 

 W A M A M I N ( G* O M I N N ; P. O i A" Z U M B OJ A 



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r c ' K E N Y 



'iftjn [ fl OvvJNa 



D O D ' G " 



C O U N T Y 'OLMSTED CO 



