228 F2. 



i 



'Plate XX f. 



Onondaga shale. 



Section on Valley road 



between JC ftloom field and Unslow's mill. 



120 



110 



40 



144 



32 



48 



•30 



**= 



'70 



46 



125 



Grey calcareous shale, 

 a red shale t 



Includes the 

 Bloomfield Sandstone: 



thin red shale. 

 4 red shale. 



Grey shales 

 and 

 limestone beds 



Vwx limestone, 

 thin red shale, 



thin red shale 

 2 red shale. 



grexj and reel shale, 

 yellow shale, 



yellow and grey shale, 



F2. 



