BULL. GEOL. SOO. AM. 



VOL. 30, 1918, 



COLUMNAR SECTIONS 



OP THE 



POT TSVILLE AND ALLEGHENY FORMATIONS 

 Scale; 1 inch = 100 raet. 



/ VI VII VIM IX X XI XII Xlll 



■46 



46 



iim 



14 



T?^ 





W:l 





Is 



11 '■ 



m 



' 



m 



8 







1 



7 



Mr 





ES^v; 



4' 









3 



K 





■R 



Coic 





M 



CBStlonan CeorgeB CreSli 

 BttBln, .Sonerset, Basin Basin 



I'd, Pa. Pa—Ha. Ma. 



SECTIONS OF ALLEGHENT AND POTTSVILLE FOEMATIONS 



