Huntingdon Counties, Central Pennsylvania. 535 



i. 



S3 



3 FORMATIONS 



CD 



Allegheny 



COLUMNAR SECTION 



MINOR 

 DIVISIONS 



Cafekill 

 formation. 



zooo 

 ■zsoo 



Chemung 

 formation. 



Z400- 

 <3ZOO 



can&bmerate 



AuQii jpjjzs 

 sane/stone- 



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