252 Chamberlin and Leverett — Studies of the 



the Dunkirk, Allegheny Yalley and Pittsburg railway be- 

 tween Garland and Titusville, Pennsylvania, raises the ques- 

 tion whether the discharge may not have been in that 

 direction. 



By reference to profiles A and C, fig. 1, it will be seen that 

 the rock floor is nearly level for a few miles north from War- 

 ren, while both to the north and south from this there is a 



