STRATIGRAPHY 



631 



5* 



p 









Carboniferous. 









i-i: 





•-< 

 3, 







rf 



1^ 



^1 



pi 



p 



Chemung and 



Hamilton, 



3500. 



§1 



S8 



O 



Q 

 Pa' 



j-s 



C 



3 

 3 

 ST 



-1 



p<_ 



if 



9 



3 



si 



Ob 



crq 



jr 



o 



3 

 ^§ 



I 





Pennsylvania and 



northern West 



Virginia (Rogers- 



ville folio). 



kfi. 



OS 



4- 5' 



CD 



cx3 



3 



3 

 p 



c 



CD 



■ o' 



as 



JO 

 Oi S3 



O 3 

 • r/3 



P 2 



o C 



■ c 







Southern West 



Virginia 



(Buckhannon 



folio). 



N3 



CO 



o 

 p 



Chattanooga 



shale, 



!50. 



o ^ 



ft 



o^ 



O 3 



SB 



3 

 — 3 



1 



pp 



Lower coal 



measures, 



500. 









Kentucky (Lon- 

 don folio). 



p 



Chattanooga 



shale, 



50. 





O^ 



O 3 

 • a: 



3 

 CO 3_ 



J3 



IF 



Coal measures 



(not correlated), 



2500. 









(Frog Mt sand- 

 stone?) 



a 



1 

 1 



1 



Q 



i-S 

 CI 



1 



3 



1 



teg 

 l| 



i 









Alabama, Warrior 

 coal field (Bir- 

 mingham folio) 



