PLATE 34. 



GEOLOGICAL AND NATURAL HISTORY 

 Sl'HVKYOF MINNESOTA 



DAKOTA COUNTY 



BY N. H. WINCHELL 



Explanation. 



lower Sthirian gggg TrtntorvLimtstonf 

 SLPettr Sandstone 

 Shakope* Luncston*. 

 Richmond Sandstone 

 Low Mag.Limestom.. 

 Si- Croir Sandstone 



Coiilour Lines arc drawn approximately for each SO feet above the sea . 



k,,^ ST. PA- I 

 ^^9^^^^^ 



3 0,-T A ^ ; ' ; " ; . 



i K. . , < -.-^v- - 



\CASTLE ROCK 



