VOL. 13, 1901. PL. 37 



?>: 



47 



46 



45 



56 

 55 



54 

 52 



50 



49 



48 

 47 



45 



i,on, Pa. 



Near Bellaire, 



Belmont county 



Ohio (After 



I. C. White) 





' V X 1 ! - 1 ' 



52 



Pike creek, 

 Belmont county- 

 Ohio (After 

 I. C. White) 



Dunkard formation ( 56-61 ) 

 MonongaJiela formation 



SS5 



52 



(% 



55 Waynesburg coal 



54 Waynesburg limestone 



53 Uniontown sandstone 



52 Uniontown coal 



51 Sewicklev sandstone 



Upper Sewickley (Ty- 

 son) coal 



Lower Sewickley coal 



Sewickley limestone 



Redstone coal 

 Redstone limestone 



Pittsburg coal 

 Conemaugh formation (26-44] 



Fayette and West- 

 moreland 

 counties, Pa. 

 (After Stevenson) 



