Subject ASC0003s9i
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 3 (1866), Page 442 (1866)
Smithsonian Libraries
BHL Page 30552284
Keywords
valleys watersheds deposit sujbacent ancient contour denudation exhibiting partial conformity of new deposit to the subjacent ancient contour Deposit Ancient Contour mountains hills