54 



GRAND ('AXON DISTRICT. 



Via. 4.— The Water Pooket Cauou. 



The Plateau Province is naturally divided into two portions, a northern 

 and a southern. The dividing barrier is the CTinta range. This fine 

 mountain platform is, in one respect, an anomaly anion- the western 

 ranges. It is the only important one which trends east and west Start 

 ing fro.,, the eastern flank of the Wasatch, the Uintas projeol eastward 

 more than L50 miles, and nearly join perpendicularly the Park ranges 

 of Colorado. Of the two portions into which the Plateau Province is 

 thus divided, the southern is much the larger. Both have in common 

 the plateau features; their topographies, climates, and physical features 

 m general, areof similar types, and their geological features and histon 

 appear to be closely related. Rut each has also its peculiarities The 

 northern portion is an interesting and already celebrated field for the 



