ONWARD THROUGH THE AGES. 



137 



3 dip away from No. 1. No. 4 and C are generally nearly 

 horizontal, except in the vicinity of mountain disturbances. 

 Now, by keeping in mind the dips of the several strata, 

 and tracing each, in conception, underneath those which 

 cover it, the reader will be able to present to his imagina 

 tion a sort of stereoscopic view of the underground struc 

 ture of the Northern States. 



I have now leaving out of the account the debatable 



.b ig. 5y. Hugh Miller, the bcoich Geologist. 



