U. S. GEOLOGICAL SURVEY 



MICHIGAN KENTUCKY 



INDIANA 



^T 1 f ^ "^V^' p, .i/#^i^' ~ ^^ 



I / 



JT S JohiU . , 1, 



1 





Fofl 



^ r ^' 



, / KJdmaC "itle re K 



Po d i 

 tplaisnri ''"^ J^' ° on " T-t^-uSr^ j o^ >lsPi(ui!\ >i>■ 







4 



59 



i 



StjfWflTkiN 



fstfwafR: 





'"'"PL 1 eft 5 ;. 



V h 



« U uj^ 





°° 85 e^ as^ 82° 



